TABLE 2.

Logistic regression analysis of risk factors for POP in patients having lung cancer surgery

Variables	Single factor analysis			Multiple factor analysis
	OR value	95% CI	p‐value	OR value	95% CI	p‐value
Diabetes	2.41	1.107–3.368	0.044	1.565	0.835–2.933	0.162
FEV1	0.992	0.983–1.001	0.068	0.993	0.984–1.003	0.155
BMI	1.091	1.034–1.151	0.002	1.091	1.033–1.152	0.002
SII	1.001	1.000–1.001	<0.001	1.000	1.000–1.001	<0.001

Abbreviations: BMI, body mass index; FEV1, forced expiratory volume in 1 s; SII, systemic immune‐inflammation index.