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Diagnostic predictive values of each criterion regarding qSOFA score for bacteremia.
| Characteristics | Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) | LR+ | LR– |
|---|---|---|---|---|---|---|
| qSOFA score ≥ 2 | 17.2 | 93 | 71.4 | 52.5 | 2.46 | 0.89 |
| Altered mental status | 12.1 | 84.2 | 43.8 | 48.5 | 0.76 | 1.04 |
| Respiratory rate ≥ 22 (/min) | 50 | 87.7 | 80.6 | 63.3 | 4.07 | 0.57 |
| Systolic blood pressure ≤ 100 (mmHg) | 19 | 89.5 | 64.7 | 52 | 1.8 | 0.91 |
PPV, positive predictive value; NPV, negative predictive value; LR, likelihood ratio.
