TABLE 1.

The demographic and clinicopathological characteristics of patients with lung cancer and healthy controls

	Patients/n (%)	Controls/n (%) (%)	Test Statisticsvalue.	p value
Total	75	62
Gender
Male	39 (52.0)	31 (50.0)	χ 2  = 0.054	0.816
Female	36 (48.0)	31 (50.0)
Age (mean ± SD, years)	61.99 ± 9.91	62.68 ± 10.17	t = 0.398	0.691
Smoking history
Yes	25 (33.3)	12 (19.4)	χ 2  = 3.364	0.067
No	50 (66.7)	50 (80.6)
Alcohol history
Yes	13 (17.3)	6 (9.7)	χ 2  = 1.665	0.197
No	62 (82.7)	56 (90.3)
Pathological type
Adenocarcinomas	42 (56.0)
Squamous cell carcinomas	24 (32.0)
Small‐cell lung cancer	9 (12.0)