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Table 5 Predictive performances of the TOR rules for survival to discharge

From: Predictive performances of ALS and BLS termination of resuscitation rules in out-of-hospital cardiac arrest for different resuscitation protocols

Characteristics Death Survival Sensitivity, % (95% CI) Specificity, % (95% CI) FPR, % (95% CI) PPV, % (95% CI) NPV, % (95% CI)
BLS TOR rule
 The Group of 2015 851 32 86.7 (84.2–88.9) 40.6 (24.2–52.9) 59.4 (47.1–75.8) 97.5 (96.0–98.4) 10.3 (5.8–17.3)
 Met criteria 738 19
 Not met criteria 113 13
 The Group of 2020 546 26 78.8 (75.0–82.1) 69.2 (48.1–84.9) 30.8 (15.1–51.9) 98.2 (96.3–99.1) 13.4 (8.4–20.7)
 Met criteria 430 8
 Not met criteria 116 18
ALS TOR rule
 The Group of 2015 353 24 34.6 (29.7–39.8) 91.7 (71.5–98.5) 8.3 (1.5–28.5) 98.4 (93.7–99.7) 8.7 (5.7–13.0)
 Met criteria 122 2
 Not met criteria 231 22
 The Group of 2020 383 24 27.2 (22.8–32.0) 100.0 (82.8–100.0) 0 (0.0–17.2) 100.0 (95.6–100.0) 7.9 (5.2–11.7)
 Met criteria 104 0
 Not met criteria 279 24
  1. TOR Termination Of Resuscitation, CI Confidence Interval, FPR False-Positive Rate, PPV Positive Predictive Value, NPV Negative Predictive Value, BLS Basic Life Support, ALS Advanced Life Support