Logistic regression analysis and diagnostic accuracy of biomarker levels at hospital admission for prediction of bacterial aetiology in 267 hospitalised patients with community-acquired pneumonia
| Biomarker | Univariate analysis | Area under the curve | ||
| OR (95% CI) | p-value | AUC (95% CI) | p-value | |
| CRP | 1.90 (1.16–3.12) | 0.011 | 0.66 (0.56–0.75) | 0.003 |
| PCT | 1.44 (1.15–1.81) | 0.002 | 0.67 (0.58–0.77) | 0.001 |
| Calprotectin | 2.15 (1.05–4.41) | 0.036 | 0.63 (0.52–0.73) | 0.022 |
CRP: C-reactive protein; PCT: procalcitonin.