Smoking and timing of cessation on postoperative pulmonary complications after curative-intent lung cancer surgery

Table 3 Independent risk factors for late deaths

Variables	Parameter estimate	SE	p-value	HR	95%CI
Stage (II vs. I)	1.11	0.22	<0.0001	3.03	1.97–4.71
Stage (IIIA vs. I)	1.35	0.25	<0.0001	3.87	2.39–6.28
Stage (IIIB vs. I)	1.88	0.61	0.0019	6.54	1.57–18.33
Age	0.03	0.01	0.0115	1.03	1.01–1.05
PPC	0.53	0.27	0.0469	1.71	0.98–2.82
LOS	0.03	0.01	0.0324	1.03	1.01–1.05

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