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Multivariate analysis of postoperative pulmonary complications
| Parameter | Odds ratio | 95% CI | p value | |
|---|---|---|---|---|
| Grade of COPD | GOLD-2/3 vs. non-COPD and GOLD-1 | 3.88 | 1.85–8.14 | 0.0004 |
| Sex | Male vs. Female | N/A | N/A | 0.1101 |
COPD: chronic obstructive lung disease; GOLD: The Global Initiative for Chronic Obstructive Lung Disease; CI: confidence interval; N/A: not applicable
