Table 6 Discrimination performance of the three risk scores
From: Early predictors of poor outcome after out-of-hospital cardiac arrest
Risk score | Scores | ||
|---|---|---|---|
TTM risk score | >10 | >13 | >16 |
  n (%) | 612–615 (66–66) | 410–417 (44–45) | 217–221 (23–24) |
 Sensitivity, % | 86–87 | 69–70 | 40–41 |
 Specificity, % | 57–58 | 83–84 | 95–96 |
 PPV, % | 69–70 | 82–83 | 91–91 |
 NPV, % | 79–80 | 71–71 | 59–59 |
CAHP risk score | >150 | >200 | Â |
  n (%) | 711–716 (76–77) | 312–318 (33–34) |  |
 Sensitivity, % | 91–91 | 48–49 |  |
 Specificity, % | 39–40 | 82–83 |  |
 PPV, % | 63–63 | 76–76 |  |
 NPV, % | 79–79 | 59–59 |  |
OHCA risk score | >2.0 | >17.4 | >32.5 |
  n (%) | 829–833 (89–89) | 565–574 (62–62) | 266–271 (29–29) |
 Sensitivity, % | 94–94 | 77–78 | 44–45 |
 Specificity, % | 16–17 | 56–58 | 89–89 |
 PPV, % | 56–56 | 66–67 | 82–82 |
 NPV, % | 71–73 | 69–70 | 59–59 |