Table 2 Comparative prognostic performance for 28-day mortality of the less than 25% SOFA decrease cutoff on day 7 ΔSOFA between the derivation and the validation cohorts
Derivation cohort (95% CI) | Validation cohort (95% CI) | p value | |
|---|---|---|---|
Sensitivity | 78.4% (69.0–85.7) | 93.2% (84.7–98.7) | 0.06 |
Specificity | 80.3% (75.7–84.3) | 37.9% (20.1–35.4) | 2.87 × 10−28 |
PPV | 54.1% (45.7–62.2) | 38.7% (27.7–43.1) | 0.01 |
NPV | 92.7% (89.0–95.2) | 93.0% (79.0–98.1) | 1.00 |