Table 1.

Characteristics of non-small cell lung cancer patients and controls

Variable	Controls	Non-small cell lung cancer cases (n=211)
Age (years)	48.3 (± 10)	59.8 (± 10)
Sex
Male	124 (60.5%)	139 (66.8%)
Female	81 (39.5%)	72 (33.2%)
Smoking status
Current	87 (42.5%)	102 (48.3%)
Never	118 (57.5%)	109 (51.7%)