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=430 TN=1840 FP=1410 FN=63 | 87.2 (83.9 to 90.0) | 56.6 (54.9 to 58.3) | 96.7 (95.8 to 97.4) | 0.23 (0.18 to 0.28) | 23.4 (21.5 to 25.4) | 2.0 (1.9 to 2.1) |
qSOFA ≥2 TP=268 TN=2892 FP=358 FN=225 | 54.4 (49.8 to 58.8) | 89.0 (87.8 to 90.0) | 92.8 (91.8 to 93.7) | 0.51 (0.47 to 0.56) | 42.8 (38.9 to 46.8) | 4.9 (4.3 to 5.6) |
qSOFA ≥3 TP=87 TN=3191 FP=59 FN=406 | 17.6 (14.4 to 21.4) | 98.2 (97.6 to 98.6) | 88.7 (87.6 to 89.7) | 0.84 (0.81 to 0.87) | 59.6 (51.1 to 67.5) | 9.7 (7.1 to 13.3) |
qSOFA, quick sequential organ failure assessment; TP, true positive; TN, true negative; FP, false positive; FN, false negative.