qSOFA: screening performance characteristics for vasopressors at 72 hours
| Criteria | Sensitivity, % (95% CI) | Specificity, % (95% CI) | Negative predictive value, % (95% CI) | Negative likelihood ratio (95% CI) | Positive predictive value, % (95% CI) | Positive likelihood ratio (95% CI) |
| qSOFA ≥1 TP=206 TN=1889 FP=1634 FN=14 | 93.6 (89.3 to 96.3) | 53.6 (52.0 to 55.3) | 99.3 (98.7 to 99.6) | 0.12 (0.07 to 0.20) | 11.2 (9.8 to 12.7) | 2.0 (1.9 to 2.1) |
| qSOFA ≥2 TP=158 TN=3055 FP=468 FN=62 | 71.8 (65.3 to 77.6) | 86.7 (85.5 to 87.8) | 98.0 (97.4 to 98.5) | 0.32 (0.26 to 0.40) | 25.2 (21.9 to 28.9) | 5.4 (4.8 to 6.1) |
| qSOFA ≥3 TP=67 TN=3506 FP=79 FN=91 | 42.4 (34.7 to 50.5) | 97.8 (97.2 to 98.2) | 97.5 (96.9 to 97.9) | 0.59 (0.52 to 0.67) | 45.9 (37.7 to 54.3) | 19.2 (14.5 to 25.6) |
qSOFA, quick sequential organ failure assessment; TP, true positive; TN, true negative; FP, false positive; FN, false negative.