Table 5.

Independent risk factors for postoperative pulmonary complications after CABG in the multivariate logistic regression analysis

Parameters	OR	95% CI	P-value
Age	1.060	0.996 ~ 1.129	0.066
ASA classification	1.217	0.651 ~ 2.275	0.539
NYHA classification	1.791	1.080 ~ 2.972	0.024
Smoking	1.437	0.860 ~ 2.399	0.166
COPD	3.199	0.817 ~ 12.530	0.095
Postoperative albumin	0.946	0.903 ~ 0.991	0.020
P/F ratio	2.363	1.371 ~ 4.073	0.002
CPB	3.402	0.840 ~ 13.779	0.086
Duration of operation	1.206	0.941 ~ 1.547	0.140

Note: CABG, Coronary Artery Bypass Grafting; ASA, American Society of Anesthesiologists; NYHA, New York Heart Association; COPD, chronic obstructive pulmonary disease; P/F ratio, PaO₂/FiO₂ ratio; CPB, Cardiopulmonary bypass