Table 5.

Univariate analysis of predictors for postoperative morbidity in elderly population.

Variable	Univariate Analysis
	HR	95% CI	p Value
Male patients	1.049	0.387–2.845	0.925
Cardiac comorbidities	1.521	0.494–4.677	0.465
VATS	1.627	0.466–5.678	0.445
COPD I–III	9.201	1.890–44.800	0.006
Diabetes mellitus	0.042	0.01–53.619	0.385
THT/THT	0.961	0.276–3.349	0.95
Lobectomy	0.520	0.148–1.831	0.309

Abbreviations: COPD, chronic obstructive pulmonary disease; VATS, video-assisted thoracoscopic surgery; THT/THT, sequential thoracotomy.