| Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) | |
| PCT | 74 (61 to 85) | 70 (54 to 80) | 73 (60 to 83) | 71 (57 to 82) |
| CRP | 64 (50 to 76) | 83 (70 to 91) | 80 (66 to 90) | 68 (55 to 78) |
CRP, C-reactive protein; NPV, negative predictive value; PCT, procalcitonin; PPV, positive predictive value.