{
  "dataset": "VitalDB v1.0.0 via PhysioNet/API",
  "event_proxy": "operation start (opstart)",
  "n_cases": 12,
  "features": {
    "ppga": {
      "pre_median": 3.0410923805092036,
      "post_median": 3.0554687414075534,
      "delta_median": 0.025031132534156786,
      "delta_mean": 0.035675589473502134,
      "relative_delta_median": 0.008810422510024375,
      "wilcoxon_p": 0.05224609375,
      "directional_auc_pre_vs_post": 0.5763888888888888,
      "direction": "increase_post"
    },
    "notch_amp": {
      "pre_median": 0.1945320876770002,
      "post_median": 0.23531325328043173,
      "delta_median": 0.018692994863022297,
      "delta_mean": 0.021816775597611793,
      "relative_delta_median": 0.08846650226200316,
      "wilcoxon_p": 0.7333984375,
      "directional_auc_pre_vs_post": 0.5555555555555556,
      "direction": "increase_post"
    },
    "notch_ratio": {
      "pre_median": 0.05954090506462639,
      "post_median": 0.07248483892579116,
      "delta_median": 0.0033873454683911453,
      "delta_mean": 0.0061456567631097405,
      "relative_delta_median": 0.04066859721122858,
      "wilcoxon_p": 0.85009765625,
      "directional_auc_pre_vs_post": 0.5416666666666666,
      "direction": "increase_post"
    },
    "notch_depth_ratio": {
      "pre_median": 0.9404590949353737,
      "post_median": 0.927515161074209,
      "delta_median": -0.0033873454683912563,
      "delta_mean": -0.006145656763109723,
      "relative_delta_median": -0.0035791613815720786,
      "wilcoxon_p": 0.85009765625,
      "directional_auc_pre_vs_post": 0.5416666666666667,
      "direction": "decrease_post"
    },
    "ibi": {
      "pre_median": 0.88,
      "post_median": 0.86,
      "delta_median": 0.0050000000000000044,
      "delta_mean": 0.003333333333333327,
      "relative_delta_median": 0.006329113916039102,
      "wilcoxon_p": 0.7177734375,
      "directional_auc_pre_vs_post": 0.5104166666666667,
      "direction": "decrease_post"
    }
  },
  "errors": []
}