Table 5.
Sensitivity, specificity, positive predictive value, and negative predictive value of the risk scores for favorable neurologic outcome of OHCA.
| MIRACLE2 Score (n = 200) | * CAHP Score (n = 185) | ||||
|---|---|---|---|---|---|
| Assessment Using MIRACLE2 > 5.5 | Poor Neurologic Outcome | Favorable Neurologic Outcome | Assessment Using CAHP > 223 | Poor Neurologic Outcome | Favorable Neurologic Outcome | 
| No. of positive results | 108 | 11 | No. of positive results | 105 | 6 | 
| No. of negative results | 59 | 22 | No. of negative results | 49 | 25 | 
| Sensitivity, % (95% CI) | 64.7 (56.9–71.9) | Sensitivity, % (95% CI) | 68.2 (60.2–75.5) | ||
| Specificity, % (95% CI) | 66.7 (48.2–82.0) | Specificity, % (95% CI) | 80.6 (62.5–92.6) | ||
| PPV, % | 90.8 (85.6–94.2) | PPV, % | 94.6 (88.6–98.0) | ||
| NPV, % | 27.2 (21.4–33.9) | NPV, % | 33.8 (23.2–45.7) | ||
Abbreviations: CI, confidence interval; CAHP, cardiac arrest hospital prognosis; NPV, negative predictive value; PPV, positive predictive value. * 15 patients were excluded from the CAHP score due to ECMO intervention.