Univariate and multivariate logistic regression analyses for predictors of CPPE
| Variable | Univariate analysis | Multivariate analysis | ||||
| OR | 95% CI | P value* | AOR | 95% CI | P value | |
| Sonographic septation | 4.68 | 2.45 to 8.91 | <0.001 | 3.38 | 1.64 to 6.98 | 0.001 |
| COPD | 0.29 | 0.11 to 0.75 | 0.011 | 0.48 | 0.16 to 1.47 | 0.199 |
| Sex (male) | 0.87 | 0.43 to 1.75 | 0.697 | – | – | – |
| Age (≤60) | 2.83 | 1.51 to 5.32 | 0.001 | 2.63 | 1.24 to 5.58 | 0.012 |
| Serum laboratory results | – | – | – | |||
| Leukocytes (>15 ×109/L) | 1.40 | 0.75 to 2.61 | 0.298 | |||
| CRP (≤10 mg/dL) | 0.59 | 0.30 to 1.18 | 0.138 | |||
| LDH (IU/dL) | 1.001 | 0.998 to 1.004 | 0.389 | |||
| Glucose (mg/dL) | 0.996 | 0.990 to 1.002 | 0.168 | |||
| Total protein (g/dL) | 1.51 | 1.03 to 2.21 | 0.036 | 1.34 | 0.89 to 2.04 | 0.164 |
| Albumin (≤3 g/dL) | 0.92 | 0.49 to 1.72 | 0.782 | |||
*P value is presented by univariate and multivariate logistic regression analyses.
AOR, adjusted OR; COPD, chronic obstructive pulmonary disease; CPPE, complicated parapneumonic effusion; CRP, C reactive protein; LDH, lactate dehydrogenase.