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Multivariate analysis.
| Factors | OR (95% CI) | P value |
|---|---|---|
| Number of lobes involved with infiltrates | ||
| 1 | 1.0 | |
| ≥2 | 11.3 (6.39–20.00) | <0.0001 |
|
| ||
| Pleural effusion (location) | ||
| None | 0.50 (0.35–0.73) | <0.005 |
| Unilateral | 1.0 | |
|
| ||
| Pleural effusion (location) | ||
| Unilateral | 0.53 (0.35–0.80) | <0.005 |
| Bilateral | 1.0 | |
|
| ||
| Congestive heart failure | ||
| No | 1.0 | …a |
| Yes | 3.3 (2.17–5.01) | <0.0001 |
P values of <0.05 are shown in bold.
