Outcome | Cortisol cut-off nmol·L−1 | OR (95% CI) | p-value | Sensitivity % (95% CI) | Specificity % (95% CI) | PPV % (95% CI) | NPV % (95% CI) |
Clinically unstable after 72 h | >571 | 8.2 (2.5–26.7) | <0.001 | 78 (58–91) | 74 (55–88) | 71 (51–87) | 77 (58–90) |
Death | >734 | 38.3 (3.8–386) | 0.002 | 83 (36–99) | 87 (74–94) | 45 (17–77) | 98 (89–100) |
PPV: positive predictive value; NPV: negative predictive value.