Table 4. Results of the univariate and multivariate logistic regression analysis of demographic characteristics and selected markers.
| Characteristics | Univariate analysis OR (95% CI) | P -value | Multivariate analysis OR (95% CI) | P -value |
|---|---|---|---|---|
| Gender=Male | 1.30 (0.66–2.53) | 0.44 | – | — |
| Age ⩾60 | 4.13 (2.07–8.27) | <0.001 | 1.13 (0.19–6.53) | 0.90 |
| Smoker | 1.82 (0.93–3.57) | 0.08 | 1.07 (0.18–6.34) | 0.94 |
| Previous neoplasia | 1.43 (0.66–3.12) | 0.37 | – | — |
| PE size >1/3 | 2.36 (1.10–5.06) | 0.03 | 0.57 (0.05–6.04) | 0.64 |
| Leucocytes ⩽1150 (l mm−3) | 4.28 (2.09–8.75) | <0.001 | 1.51 (0.27–8.49) | 0.64 |
| Lymphocytes >75 (%) | 3.34 (1.64–6.83) | 0.001 | 0.53 (0.06–5.08) | 0.58 |
| Proteins ⩽5 (g l−1) | 2.61 (1.36–5.00) | 0.004 | 1.67 (0.31–8.94) | 0.55 |
| ADA ⩽38 (U l−1) | 17.54 (5.05–60.94) | <0.001 | 3.18 (0.30–33.17) | 0.33 |
| Calprotectin ⩽545 (ng ml−1) | 256.75 (54.32–1213.61) | <0.001 | 663.14 (35.37–12433.89) | <0.001 |
Abbreviations: ADA=adenosine deaminase; OR=odds ratio, CI=confidence interval.