Performance parameter (95% CI) | ||||
---|---|---|---|---|
Patient population | Sensitivity | Specificity | PPV | NPV |
>99th percentile on admission (n=1260) | 82.3 (77.3 to 86.5) | 92.1 (90.3 to 93.7) | 75.1 (69.9 to 79.8) | 94.7 (93.1 to 96.1) |
>99th percentile at 3 hours (n=1260) | 98.2 (95.9 to 99.4) | 90.4 (88.4 to 92.2) | 74.7 (69.9 to 79.0) | 99.4 (98.7 to 99.8) |
>99th percentile on admission and hs-Tn I change 0–3 hours (n=1260) | 50.0 (44.0 to 56.0) | 99.1 (98.3 to 99.6) | 94.0 (88.9 to 97.2) | 87.3 (85.2 to 89.2) |
Hs-Tn I change 0–3 hours and hs-Tn I >99th percentile at 3 hours in patients with hs-Tn I <99th percentile on admission (n=951) | 92.0 (80.8 to 97.8) | 97.9 (96.7 to 98.7) | 70.8 (58.2 to 81.4) | 99.5 (98.8 to 99.9) |
NPV, negative predictive value; PPV, positive predictive value.