Analysis of the Clinicopathological Characteristics and Risk Factors in Patients with Lung Cancer and Chronic Obstructive Pulmonary Disease

Table 1

Clinical characteristics of lung cancer patients with and without chronic obstructive pulmonary disease ().

Characteristic	Lung cancer without COPD, (%)	Lung cancer with COPD, (%)
Age (years), mean	62.69 ± 10.34	64.79 ± 8.49	1.101	0.274
≤60	34 (31.48%)	39 (22.41%)	2.856	0.091
60–75	58 (53.70%)	86 (49.43%)	0.488	0.485
≥75	16 (14.81%)	49 (28.16%)	6.692	0.010
Smoking index (packages), mean	418.40 ± 506.84	723.95 ± 631.48	2.631	0.010
Sex
Male	72 (66.67%)	147 (84.48%)	12.192	0.001
Female	36 (33.33%)	27 (15.52%)	-	-
Smoking status
Current	38 (35.19%)	89 (51.15%)	6.861	0.009
Former	20 (18.52%)	45 (25.86%)	2.026	0.155
Never	50 (46.30%)	40 (23.00%)	16.660	0.001
Subtype
Adenocarcinoma	52 (48.15%)	62 (35.63%)	4.334	0.037
SCC	30 (27.78%)	61 (35.06%)	1.616	0.204
SCLC	15 (13.89%)	41 (23.56%)	2.797	0.048
Other	11 (10.19%)	10 (5.75%)	0.834	0.168

COPD: chronic obstructive pulmonary disease; SCC: squamous cell carcinoma; SCLC: small cell lung cancer.