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Table 6 Performance of the basic life support termination-of-resuscitation rules for predicting one-month unfavorable neurological outcomes a

From: Termination-of-resuscitation rule for emergency department physicians treating out-of-hospital cardiac arrest patients: an observational cohort study

  BLS TOR rule
Validation Group Fulfilled 3/3 criteria Did not fulfill criteria
(N= 105,030) (n= 85,728, 81.6%) (n= 19,302, 18.4%)
Unfavorable (CPC categories 3 to 5), n 85,575 17,308
Favorable (CPC categories 1 and 2), n 153 1,994
Sensitivity (95% CI) 0.832 (0.829 to 0.834)
Specificity (95% CI) 0.928 (0.917 to 0.938)
PPV (95% CI) 0.998 (0.997 to 0.998)
NPV (95% CI) 0.103 (0.099 to 0.108)
Area under the ROC curve (95% CI) 0.880 (0.871 to 0.889)
  1. aBLS, basic life support; CI, confidence interval; CPC, cerebral performance category; NPV, negative predictive value; PPV, positive predictive value; ROC, receiver operating characteristic; TOR, termination of resuscitation.