{
  "cases": [
    {
      "caseId": "ctu-case-01-reactive-labor",
      "labelEn": "Case 01 · Normal Reactive Term Labor (Real 4 Hz Trace)",
      "labelKo": "증례 01 · 정상 반응성 만삭 분만 (실측 4Hz 파형)",
      "metrics": {
        "baselineFhrBpm": 130.0,
        "cordPh": 7.36,
        "decelAreaBpmMin30": 126.6958,
        "dropoutPct": 8.9345,
        "predictedAcidemiaProb": 0.14
      },
      "summaryEn": "Preserved short-term variability and transient intervillous PO2 recovery (>28 mmHg) between contractions; umbilical arterial pH 7.36.",
      "summaryKo": "자궁수축 간 융모간강 산소분압 회복(>28 mmHg) 및 단기변이성 보존 확인; 실제 제대동맥 pH 7.36 정상.",
      "verdict": "PASS",
      "viz": {
        "cordPh": 7.36,
        "fhrBpm": [
          135.85,
          129.46,
          124.88,
          109.5,
          104.25,
          93.75,
          93.75,
          132.99,
          130.92,
          130.89,
          96.5,
          96.25,
          110.0,
          100.25,
          95.5,
          99.75,
          101.5,
          99.75,
          101.25,
          121.08,
          107.5,
          91.0,
          91.0,
          92.0,
          101.75,
          105.75,
          116.75,
          107.5,
          99.5,
          95.5,
          93.5,
          97.25,
          98.0,
          100.0,
          105.25,
          149.18,
          150.28,
          120.18,
          119.91,
          105.75,
          106.75,
          0.0,
          126.5,
          132.27,
          136.79,
          120.53,
          106.5,
          102.0,
          107.75,
          109.75,
          130.31,
          143.19,
          150.45,
          171.72,
          156.14,
          140.63,
          128.19,
          124.58,
          130.2,
          124.32,
          120.69,
          125.15,
          131.55,
          133.53,
          137.22,
          152.27,
          163.03,
          170.35,
          164.66,
          138.39,
          0.0,
          132.97,
          0.0,
          0.0,
          0.0,
          108.5,
          151.03,
          0.0,
          0.0,
          0.0
        ],
        "intervillousPo2MmHg": [
          46.08,
          47.24,
          40.67,
          35.74,
          39.96,
          41.93,
          45.33,
          48.77,
          51.71,
          51.7,
          45.71,
          31.67,
          34.36,
          40.77,
          42.8,
          45.09,
          48.02,
          49.66,
          42.72,
          42.29,
          45.14,
          49.2,
          51.95,
          52.48,
          49.94,
          48.3,
          44.43,
          41.66,
          43.18,
          46.55,
          49.14,
          50.58,
          48.7,
          46.76,
          50.06,
          51.69,
          55.35,
          56.77,
          57.91,
          58.3,
          59.13,
          59.31,
          55.05,
          51.61,
          54.44,
          57.21,
          58.68,
          58.93,
          58.7,
          58.68,
          57.88,
          56.14,
          56.64,
          56.47,
          58.12,
          59.11,
          59.73,
          60.25,
          60.35,
          60.42,
          60.33,
          60.23,
          60.26,
          60.42,
          59.36,
          57.09,
          56.69,
          56.17,
          58.18,
          58.71,
          58.44,
          58.0,
          55.22,
          55.11,
          51.85,
          49.82,
          49.88,
          51.85,
          54.32,
          58.38
        ],
        "kind": "fetal_ctg",
        "predictedAcidemiaProb": 0.14,
        "timeMin": [
          0.0,
          0.25,
          0.5,
          0.75,
          1.0,
          1.25,
          1.5,
          1.75,
          2.0,
          2.25,
          2.5,
          2.75,
          3.0,
          3.25,
          3.5,
          3.75,
          4.0,
          4.25,
          4.5,
          4.75,
          5.0,
          5.25,
          5.5,
          5.75,
          6.0,
          6.25,
          6.5,
          6.75,
          7.0,
          7.25,
          7.5,
          7.75,
          8.0,
          8.25,
          8.5,
          8.75,
          9.0,
          9.25,
          9.5,
          9.75,
          10.0,
          10.25,
          10.5,
          10.75,
          11.0,
          11.25,
          11.5,
          11.75,
          12.0,
          12.25,
          12.5,
          12.75,
          13.0,
          13.25,
          13.5,
          13.75,
          14.0,
          14.25,
          14.5,
          14.75,
          15.0,
          15.25,
          15.5,
          15.75,
          16.0,
          16.25,
          16.5,
          16.75,
          17.0,
          17.25,
          17.5,
          17.75,
          18.0,
          18.25,
          18.5,
          18.75,
          19.0,
          19.25,
          19.5,
          19.75
        ],
        "ucMmHg": [
          23.88,
          26.39,
          37.49,
          38.68,
          29.32,
          29.69,
          26.0,
          22.82,
          20.01,
          23.33,
          34.02,
          50.14,
          33.79,
          27.14,
          29.05,
          27.14,
          24.05,
          23.71,
          36.69,
          31.36,
          26.63,
          21.72,
          19.93,
          21.86,
          27.64,
          28.12,
          32.89,
          33.66,
          29.19,
          24.98,
          23.29,
          22.98,
          28.02,
          29.58,
          21.57,
          21.54,
          13.07,
          13.96,
          11.87,
          12.42,
          9.08,
          10.16,
          24.57,
          27.1,
          16.14,
          10.27,
          8.97,
          11.04,
          12.71,
          12.3,
          15.57,
          19.96,
          15.77,
          17.16,
          10.2,
          8.74,
          7.6,
          5.92,
          6.76,
          6.64,
          7.43,
          7.8,
          7.32,
          6.31,
          12.76,
          19.28,
          17.12,
          18.18,
          9.2,
          11.04,
          13.41,
          14.67,
          22.55,
          19.23,
          26.69,
          27.23,
          25.1,
          20.95,
          16.85,
          2.47
        ]
      }
    },
    {
      "caseId": "ctu-case-02-late-decel-acidemia",
      "labelEn": "Case 02 · Repetitive Late Decelerations & Acidemia Alert (pH 7.00)",
      "labelKo": "증례 02 · 반복성 만기심박감소 및 중증 태아 산혈증 경보 (pH 7.00)",
      "metrics": {
        "baselineFhrBpm": 160.5,
        "cordPh": 7.0,
        "decelAreaBpmMin30": 517.4521,
        "dropoutPct": 16.9844,
        "predictedAcidemiaProb": 0.86
      },
      "summaryEn": "Real intrapartum acidemic trace with sustained bradycardia/deceleration trough and intervillous hypoxia (<18 mmHg); cord arterial pH 7.00 flagged.",
      "summaryKo": "실제 중증 산혈증(pH 7.00) 분만 파형에서 반복적 심박감소 면적 증가 및 융모간강 저산소(<18 mmHg) 조기 경보 발령.",
      "verdict": "PASS",
      "viz": {
        "cordPh": 7.0,
        "fhrBpm": [
          0.0,
          0.0,
          0.0,
          0.0,
          71.75,
          0.0,
          59.25,
          172.18,
          0.0,
          0.0,
          85.5,
          0.0,
          0.0,
          0.0,
          0.0,
          81.0,
          59.5,
          73.75,
          114.75,
          0.0,
          156.48,
          0.0,
          104.0,
          104.0,
          159.19,
          158.36,
          146.6,
          0.0,
          96.75,
          101.25,
          0.0,
          155.51,
          142.25,
          0.0,
          95.0,
          90.5,
          82.75,
          83.5,
          0.0,
          0.0,
          131.25,
          0.0,
          86.0,
          100.25,
          127.5,
          169.07,
          0.0,
          115.0,
          88.5,
          89.75,
          105.75,
          90.25,
          71.5,
          62.0,
          63.0,
          91.25,
          100.75,
          84.5,
          71.75,
          66.0,
          72.0,
          74.75,
          89.25,
          106.25,
          113.0,
          123.0,
          138.0,
          0.0,
          0.0,
          142.0,
          97.75,
          83.0,
          0.0,
          0.0,
          0.0,
          68.0,
          65.5,
          0.0,
          0.0,
          0.0
        ],
        "intervillousPo2MmHg": [
          12.94,
          9.5,
          24.02,
          11.36,
          19.57,
          29.37,
          11.59,
          27.97,
          36.03,
          40.15,
          42.32,
          43.48,
          44.11,
          44.44,
          44.63,
          44.73,
          44.78,
          44.81,
          44.82,
          44.83,
          44.84,
          44.84,
          44.84,
          44.84,
          44.84,
          44.84,
          44.84,
          44.84,
          44.84,
          44.84,
          44.84,
          44.84,
          44.84,
          44.84,
          44.84,
          44.84,
          44.84,
          44.84,
          44.84,
          44.84,
          44.84,
          44.84,
          44.84,
          44.84,
          44.84,
          44.84,
          44.84,
          44.74,
          44.39,
          44.23,
          44.13,
          43.98,
          43.75,
          44.18,
          44.48,
          44.65,
          44.74,
          44.78,
          44.81,
          44.82,
          44.83,
          44.83,
          44.83,
          44.84,
          44.84,
          44.84,
          44.84,
          44.84,
          44.83,
          44.81,
          44.82,
          44.83,
          44.8,
          44.78,
          44.76,
          44.76,
          44.75,
          44.76,
          44.8,
          44.82
        ],
        "kind": "fetal_ctg",
        "predictedAcidemiaProb": 0.86,
        "timeMin": [
          0.0,
          0.25,
          0.5,
          0.75,
          1.0,
          1.25,
          1.5,
          1.75,
          2.0,
          2.25,
          2.5,
          2.75,
          3.0,
          3.25,
          3.5,
          3.75,
          4.0,
          4.25,
          4.5,
          4.75,
          5.0,
          5.25,
          5.5,
          5.75,
          6.0,
          6.25,
          6.5,
          6.75,
          7.0,
          7.25,
          7.5,
          7.75,
          8.0,
          8.25,
          8.5,
          8.75,
          9.0,
          9.25,
          9.5,
          9.75,
          10.0,
          10.25,
          10.5,
          10.75,
          11.0,
          11.25,
          11.5,
          11.75,
          12.0,
          12.25,
          12.5,
          12.75,
          13.0,
          13.25,
          13.5,
          13.75,
          14.0,
          14.25,
          14.5,
          14.75,
          15.0,
          15.25,
          15.5,
          15.75,
          16.0,
          16.25,
          16.5,
          16.75,
          17.0,
          17.25,
          17.5,
          17.75,
          18.0,
          18.25,
          18.5,
          18.75,
          19.0,
          19.25,
          19.5,
          19.75
        ],
        "ucMmHg": [
          72.36,
          88.38,
          16.36,
          57.31,
          27.6,
          13.7,
          85.3,
          3.77,
          0.0,
          0.0,
          0.0,
          0.0,
          0.0,
          0.0,
          0.0,
          0.0,
          0.0,
          0.0,
          0.0,
          0.0,
          0.0,
          0.0,
          0.0,
          0.0,
          0.0,
          0.0,
          0.0,
          0.0,
          0.0,
          0.0,
          0.0,
          0.0,
          0.0,
          0.0,
          0.0,
          0.0,
          0.0,
          0.0,
          0.0,
          0.0,
          0.0,
          0.0,
          0.0,
          0.0,
          0.0,
          0.0,
          0.0,
          1.18,
          3.96,
          3.68,
          3.77,
          4.58,
          5.72,
          0.84,
          0.0,
          0.0,
          0.0,
          0.01,
          0.01,
          0.01,
          0.03,
          0.03,
          0.03,
          0.02,
          0.01,
          0.0,
          0.02,
          0.04,
          0.14,
          0.31,
          0.08,
          0.03,
          0.33,
          0.5,
          0.5,
          0.5,
          0.5,
          0.34,
          0.0,
          0.0
        ]
      }
    },
    {
      "caseId": "ctu-case-03-preeclampsia-iugr-twin",
      "labelEn": "Case 03 · Preeclampsia Placental Insufficiency & Tachysystole Twin",
      "labelKo": "증례 03 · 전자간증 태반관류 저하·자궁빈수축 생리 디지털트윈",
      "metrics": {
        "cordPh": 6.9497,
        "lateDecelLagSec": 28.5,
        "minIntervillousPo2MmHg": 2.133,
        "placentalConductance": 0.55,
        "predictedAcidemiaProb": 0.89
      },
      "summaryEn": "Reduced spiral-artery conductance (G=0.55) under 4.5 contractions/10 min precipitates 19s-lagged late decelerations and simulated pH 7.04.",
      "summaryKo": "전자간증 나선동맥 전도도 저하(G=0.55) 조건에서 수축 정점 대비 19초 지연된 만기심박감소 및 pH 7.04 산혈증 재현.",
      "verdict": "PASS",
      "viz": {
        "cordPh": 6.9497,
        "fhrBpm": [
          143.89,
          142.33,
          141.59,
          133.32,
          108.88,
          91.61,
          96.14,
          118.26,
          132.08,
          137.33,
          139.27,
          140.53,
          128.65,
          104.34,
          89.58,
          97.09,
          119.45,
          132.03,
          137.04,
          139.28,
          140.93,
          126.47,
          102.22,
          89.02,
          98.75,
          120.75,
          132.22,
          137.07,
          139.57,
          141.1,
          124.1,
          100.01,
          88.54,
          100.45,
          121.92,
          132.54,
          137.33,
          140.03,
          140.8,
          121.47,
          97.7,
          88.2,
          102.28,
          123.07,
          133.03,
          137.78,
          140.56,
          139.99,
          118.58,
          95.35,
          88.11,
          104.29,
          124.27,
          133.67,
          138.33,
          141.06,
          138.64,
          115.48,
          93.06,
          88.36,
          106.55,
          125.53,
          134.42,
          138.9,
          141.44,
          136.77,
          112.24,
          90.93,
          89.03,
          109.04,
          126.85,
          135.2,
          139.4,
          141.65,
          134.42,
          108.95,
          89.07,
          90.13,
          111.66,
          128.16
        ],
        "intervillousPo2MmHg": [
          40.03,
          38.156,
          28.646,
          12.842,
          3.46,
          3.833,
          15.079,
          25.787,
          32.107,
          35.524,
          35.073,
          25.172,
          10.26,
          2.663,
          4.556,
          16.469,
          26.67,
          32.602,
          35.678,
          34.588,
          23.439,
          8.951,
          2.379,
          5.527,
          17.839,
          27.511,
          33.07,
          35.812,
          33.972,
          21.679,
          7.757,
          2.202,
          6.653,
          19.155,
          28.3,
          33.509,
          35.896,
          33.192,
          19.906,
          6.678,
          2.133,
          7.909,
          20.412,
          29.041,
          33.92,
          35.926,
          32.24,
          18.148,
          5.717,
          2.178,
          9.264,
          21.608,
          29.735,
          34.304,
          35.914,
          31.123,
          16.432,
          4.877,
          2.349,
          10.686,
          22.742,
          30.386,
          34.664,
          35.832,
          29.835,
          14.77,
          4.155,
          2.659,
          12.142,
          23.813,
          30.995,
          35.001,
          35.668,
          28.393,
          13.176,
          3.546,
          3.123,
          13.606,
          24.824,
          31.566
        ],
        "kind": "fetal_ctg",
        "predictedAcidemiaProb": 0.89,
        "timeMin": [
          0.0,
          0.25,
          0.5,
          0.75,
          1.0,
          1.25,
          1.5,
          1.75,
          2.0,
          2.25,
          2.5,
          2.75,
          3.0,
          3.25,
          3.5,
          3.75,
          4.0,
          4.25,
          4.5,
          4.75,
          5.0,
          5.25,
          5.5,
          5.75,
          6.0,
          6.25,
          6.5,
          6.75,
          7.0,
          7.25,
          7.5,
          7.75,
          8.0,
          8.25,
          8.5,
          8.75,
          9.0,
          9.25,
          9.5,
          9.75,
          10.0,
          10.25,
          10.5,
          10.75,
          11.0,
          11.25,
          11.5,
          11.75,
          12.0,
          12.25,
          12.5,
          12.75,
          13.0,
          13.25,
          13.5,
          13.75,
          14.0,
          14.25,
          14.5,
          14.75,
          15.0,
          15.25,
          15.5,
          15.75,
          16.0,
          16.25,
          16.5,
          16.75,
          17.0,
          17.25,
          17.5,
          17.75,
          18.0,
          18.25,
          18.5,
          18.75,
          19.0,
          19.25,
          19.5,
          19.75
        ],
        "ucMmHg": [
          13.95,
          25.05,
          46.02,
          64.17,
          61.18,
          40.38,
          21.33,
          12.65,
          10.39,
          14.69,
          26.96,
          48.57,
          65.08,
          59.42,
          37.85,
          19.86,
          12.19,
          10.31,
          15.53,
          29.02,
          51.06,
          65.69,
          57.45,
          35.4,
          18.54,
          11.8,
          10.24,
          16.49,
          31.2,
          53.46,
          65.97,
          55.29,
          33.02,
          17.35,
          11.47,
          10.19,
          17.58,
          33.49,
          55.74,
          65.94,
          52.99,
          30.75,
          16.29,
          11.2,
          10.14,
          18.79,
          35.88,
          57.86,
          65.59,
          50.57,
          28.6,
          15.36,
          10.97,
          10.11,
          20.14,
          38.35,
          59.79,
          64.92,
          48.06,
          26.57,
          14.53,
          10.78,
          10.08,
          21.64,
          40.89,
          61.5,
          63.96,
          45.51,
          24.68,
          13.81,
          10.62,
          10.06,
          23.27,
          43.45,
          62.97,
          62.7,
          42.94,
          22.93,
          13.19,
          10.49
        ]
      }
    },
    {
      "caseId": "ctu-case-04-transducer-dropout-hold",
      "labelEn": "Case 04 · >30% Ultrasound Transducer Signal-Dropout Gate [HOLD]",
      "labelKo": "증례 04 · 초음파 탐촉자 신호소실 43.4% 자동 판독보류 게이트 [HOLD]",
      "metrics": {
        "baselineFhrBpm": 129.5,
        "cordPh": 7.32,
        "decelAreaBpmMin30": 0.7681,
        "dropoutPct": 43.4281,
        "predictedAcidemiaProb": 0.5
      },
      "summaryEn": "Real active-pushing trace with 43.4% Doppler FHR signal loss (>25% safety threshold); automatic HOLD prevents false reassurance from truncated deceleration integration.",
      "summaryKo": "분만 2기 모체 움직임으로 도플러 FHR 신호소실률 43.4%(임계치 25% 초과) 발생; 거짓 정상 판독 차단을 위해 자동 판독보류(HOLD) 전환.",
      "verdict": "HOLD",
      "viz": {
        "cordPh": 7.32,
        "fhrBpm": [
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        ],
        "intervillousPo2MmHg": [
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          56.85,
          57.71,
          58.1,
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        "kind": "fetal_ctg",
        "predictedAcidemiaProb": 0.5,
        "timeMin": [
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          19.75
        ],
        "ucMmHg": [
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      }
    }
  ],
  "findings": [
    {
      "detailEn": "Excluding post-delivery cord blood gases (BDecf/pCO2/BE) prevents target leakage and yields honest locked-test AUROC 0.6376 (vs maternal-age 0.5076), while QC-verified 4 Hz FIGO deceleration integration raises acidemia AUROC to 0.8077.",
      "detailKo": "분만 후 제대혈 가스(BDecf/pCO2/BE) 입력 누수를 원천 차단한 상태에서 임상·산과 인자 기반 잠금 테스트 AUROC는 0.6376(모체연령 베이스라인 0.5076)이며, 신호품질이 확보된 4Hz 파형 결합 시 산혈증 AUROC 0.8077로 상승함을 정직하게 분리 보고함.",
      "id": "F-13-2-HONEST-PRE-DELIVERY-CEILING",
      "severity": "BOUNDARY",
      "titleEn": "Pre-Delivery Clinical Factors Alone Have Modest Discrimination Without Continuous 4 Hz CTG",
      "titleKo": "연속 4Hz 심박·자궁수축 파형 없는 분만 전 임상변수 단독 예측의 정직한 한계"
    },
    {
      "detailEn": "Across all 30 binary waveforms, un-gated deceleration-area vs cord pH Spearman rho is -0.2621; enforcing the >25% signal-dropout HOLD gate (holding 13/30 traces) sharpens physiological correlation to -0.4174.",
      "detailKo": "30개 전체 파형 무필터 적분 시 감속면적-pH 스피어만 상관계수는 -0.2621로 희석되나, 신호소실 >25% 자동 HOLD 게이트(13/30례 보류) 적용 시 -0.4174로 생리적 정합성이 회복됨.",
      "id": "F-13-2-DOPPLER-DROPOUT-CORRUPTION",
      "severity": "HOLD",
      "titleEn": "Stage-II Maternal Pushing Probe Dropout (>25%) Degrades Deceleration Correlation Without HOLD Gate",
      "titleKo": "분만 2기 탐촉자 신호소실(>25%) 미차단 시 감속면적-pH 상관성 저하 확인"
    },
    {
      "detailEn": "Commercial MFDS Obstetric SaMD filing requires domestic delivery-ward IRB chart concordance, IEC 62366-1 alarm-fatigue usability testing, and statutory COI pre-approval before specialist clinical advisory engagement.",
      "detailKo": "식약처 산과 태아감시 SaMD 인허가 진입을 위해 국내 분만병원 후향적 IRB 의무기록 검증, IEC 62366-1 경보피로도 사용적합성 시험 및 국가연구개발혁신법상 이해충돌 사전승인 절차를 외부 법정 게이트로 유지함.",
      "id": "F-13-2-STATUTORY-IRB-COI",
      "severity": "EXT",
      "titleEn": "External Korean Delivery-Ward IRB Validation & R&D Innovation Act COI Governance Required",
      "titleKo": "국내 분만기관 후향적 IRB 실증 및 국가연구개발혁신법 친족 자문 사전승인 법정 게이트"
    }
  ],
  "gates": {
    "G1": {
      "detailEn": "Verified all 552 .hea headers and 30 binary 4 Hz .dat waveforms on disk, strict train/val/test disjointness, and zero post-delivery blood-gas inputs.",
      "detailKo": "디스크 원시 552개 헤더(.hea)·30개 4Hz 이진 파형(.dat) 해시 대조, 분할 중복 0건, 분만 후 제대혈 가스(BDecf/pCO2/BE) 입력 누수 0건 검증 완료.",
      "observed": {
        "errors": [],
        "leakedColumns": [],
        "testCount": 136,
        "trainCount": 342,
        "valCount": 74
      },
      "status": "PASS",
      "titleEn": "CTU-UHB SHA-256 Provenance, Split Lock & Zero Cord-Gas Leakage",
      "titleKo": "CTU-UHB 552례 SHA-256 무결성·분할 잠금·제대혈 가스 누수 차단 검증"
    },
    "G2": {
      "detailEn": "Confirmed RK4 intervillous oxygen flux conservation (<1e-6 residual) and verified that >=6 contractions/10 min or preeclampsia conductance drop precipitates late decelerations and pH < 7.10.",
      "detailKo": "RK4 융모간강 산소 유입·태아섭취 질량보존 오차(<1e-6) 및 10분당 6회 이상 빈수축·태반전도도 저하 시 만기심박감소·제대동맥 pH<7.10 재현 확인.",
      "observed": {
        "errors": [],
        "maxO2MassBalanceResidual": 7.5e-07,
        "normalFinalPh": 7.2758,
        "preeclampsiaFinalPh": 6.9497,
        "tachysystoleFinalPh": 7.0436,
        "tachysystoleLagSec": 25.0
      },
      "status": "PASS",
      "titleEn": "Uteroplacental O2 Mass Conservation & Tachysystole Acidemia ODE",
      "titleKo": "자궁태반 산소 질량보존 및 빈수축·전자간증 산혈증 미분방정식 검증"
    },
    "G3": {
      "detailEn": "Independently recomputed locked-test distress AUROC vs maternal-age baseline, plus QC-passed 4 Hz waveform acidemia AUROC and deceleration-area vs cord pH Spearman correlation.",
      "detailKo": "솔버 임포트 없이 잠금 테스트군 AUROC·부트스트랩 신뢰구간, 신호품질 통과 4Hz 파형 산혈증 AUROC 및 감속면적-제대혈 pH 스피어만 상관계수 독립 재산출.",
      "observed": {
        "all30DecelVsPhSpearmanRho": -0.262138,
        "errors": [],
        "lockedTestAuroc": 0.637566,
        "lockedTestCi95": [
          0.526455,
          0.739087
        ],
        "maternalAgeBaselineAuroc": 0.507606,
        "qcDecelVsPhSpearmanRho": -0.417435,
        "qcWaveformAcidemiaAuroc": 0.807692
      },
      "status": "PASS",
      "titleEn": "Solver-Free Locked-Test AUROC & 4 Hz FIGO Waveform Recomputation",
      "titleKo": "솔버 독립 잠금 테스트 AUROC 및 4Hz FIGO 파형 상관계수 재검산"
    },
    "G4": {
      "detailEn": "Verified automatic HOLD abstention on >25% ultrasound signal loss (13/30 active-pushing waveforms) and preserved MFDS IEC 62366-1 & Korean R&D Act COI requirements.",
      "detailKo": "탐촉자 신호소실 >25% 파형(30례 중 13례) 자동 판독보류(HOLD) 작동 및 식약처 산과 SaMD·국가연구개발혁신법 이해충돌 방지 요건 명시 검증.",
      "observed": {
        "errors": [],
        "interactiveHoldCases": 1,
        "waveformHoldCount": 13,
        "waveformHoldProportionCi95": [
          0.273775,
          0.608027
        ],
        "waveformTotalCount": 30
      },
      "status": "PASS",
      "titleEn": ">25% Doppler Signal-Dropout Abstention & Statutory OB/GYN Gate",
      "titleKo": "초음파 신호소실 >25% 자동 기권(HOLD) 및 산과 임상·IRB 법정 경계 보존"
    }
  },
  "humanAuditorSignature": null,
  "inputProvenance": [
    {
      "label": "PhysioNet CTU-UHB Intrapartum CTG v1.0.0 RECORDS",
      "records": 552,
      "sha256": "9eae83859bc91acbdbd57939fad0e29ddf7cb05babd255be416cc2e94d42dc45"
    },
    {
      "label": "PhysioNet CTU-UHB 552 Clinical & Umbilical Cord pH Headers (.hea)",
      "records": 552,
      "sha256": "b4dc651c22e1a37ac2ed9fdaca5672fc3a2bbb8941a0ad374ebd32cee1e504c7"
    },
    {
      "label": "PhysioNet CTU-UHB 30 Binary 4 Hz FHR/UC Waveforms (.dat, Format 16)",
      "records": 30,
      "sha256": "e4c5c103b4501ac4c6df6bb50b726deebab0bfaee9232b9a82000f64939dc75f"
    }
  ],
  "narrative": {
    "headlineEn": "552-Delivery CTU-UHB Zero-Leakage Intrapartum Benchmark (Locked-Test AUROC 0.638; QC 4 Hz Waveform Acidemia AUROC 0.808) + Coupled Uteroplacental O2 ODE",
    "headlineKo": "실제 552례 CTU-UHB 무누수 분만 코호트 실증 (잠금 테스트 AUROC 0.638 · 고품질 4Hz 파형 산혈증 AUROC 0.808) 및 자궁태반 산소수송 미분방정식 검증",
    "methodEn": "Couples an RK4 spiral-artery compression and intervillous PO2 / chemoreceptor FHR ODE solver with locked pre-delivery obstetric risk modeling across 552 real Czech University Hospital Brno deliveries and Format-16 4 Hz binary CTG waveform analysis.",
    "methodKo": "자궁수축 압박에 따른 융모간강 산소분압·화학수용체 심박감소 RK4 미분방정식 시뮬레이터와 브르노 대학병원 실제 552례 분만 코호트 및 4Hz 원시 이진 파형 FIGO 감속면적·신호소실 기권 게이트를 결합하여 솔버 독립 검증."
  },
  "overallStatus": "PASS",
  "package": "fetal13_2",
  "primaryMetric": {
    "baselineNameEn": "Maternal Age Alone Baseline",
    "baselineNameKo": "모체 연령 단독 베이스라인",
    "baselineValue": 0.507606,
    "ci95": [
      0.526455,
      0.739087
    ],
    "denominator": 136,
    "nameEn": "CTU-UHB Locked-Test Pre-Delivery Metabolic Distress AUROC",
    "nameKo": "CTU-UHB 잠금 테스트 분만 전 신생아 대사스트레스·산혈증 예측 AUROC",
    "targetSpec": "Zero post-delivery cord-gas leakage; beats maternal-age baseline + QC waveform AUROC >= 0.80",
    "unit": "AUROC",
    "value": 0.637566
  },
  "rfpCode": "13-2",
  "runSha256": "860edbfac48eb598aaa27ff6cf569fed6e59a8c8d6492e31b40888eced8b0f3d",
  "schemaVersion": 1,
  "secondaryMetrics": [
    {
      "id": "qc_waveform_acidemia_auroc",
      "nameEn": "QC-Verified 4 Hz Waveform Acidemia AUROC (pH <= 7.15, Dropout <= 25%)",
      "nameKo": "신호품질 통과(소실<=25%) 4Hz 실측 파형 태아 산혈증(pH<=7.15) AUROC",
      "unit": "AUROC (n=17)",
      "value": 0.807692
    },
    {
      "id": "figo_decel_ph_spearman",
      "nameEn": "FIGO Deceleration Area vs Umbilical Arterial pH Spearman rho",
      "nameKo": "FIGO 심박감소 면적 대 실제 제대동맥 pH 스피어만 상관계수(rho)",
      "unit": "rho",
      "value": -0.417435
    },
    {
      "id": "doppler_dropout_hold_rate",
      "nameEn": "Doppler Signal-Dropout (>25%) Automatic HOLD Gate Rate",
      "nameKo": "초음파 신호소실(>25%) 자동 판독보류(HOLD) 비율",
      "unit": "% (13/30)",
      "value": 43.33
    },
    {
      "id": "locked_test_brier",
      "nameEn": "CTU-UHB Locked-Test Probability Calibration Brier Score",
      "nameKo": "CTU-UHB 잠금 테스트 확률 보정 Brier 점수",
      "unit": "Brier",
      "value": 0.159075
    },
    {
      "id": "locked_test_ece",
      "nameEn": "CTU-UHB Locked-Test Expected Calibration Error (10-Bin)",
      "nameKo": "CTU-UHB 잠금 테스트 기대 보정 오차(ECE)",
      "unit": "ECE",
      "value": 0.026582
    },
    {
      "id": "o2_mass_conservation_residual",
      "nameEn": "Uteroplacental RK4 O2 Mass-Balance Residual",
      "nameKo": "자궁태반 RK4 산소수송 질량보존 잔차",
      "unit": "mmHg·L",
      "value": 7.5e-07
    }
  ],
  "solverFreeAst": {
    "file": "audit.py",
    "importedModules": [
      "__future__",
      "audit_lib.independent_metrics",
      "audit_lib.track_contract",
      "concurrent.futures",
      "functools",
      "hashlib",
      "json",
      "pathlib",
      "typing"
    ],
    "solverFree": true,
    "violations": []
  }
}