| Control n = 150 | Lung cancer n = 150 | P value | |
---|---|---|---|---|
Age(years) Mean + SD | 43.3 ± 11.1 | 56.7 ± 9.79 | <  0.001 | |
Sex n(%) | ||||
 Male | 73 (48.7%) | 114 (76%) | < 0.0001 | |
 Female | 77 (51.3%) | 36 (24%) |  | |
Histological Types n (%) | ||||
 SCLC | 20 (13.3%) | |||
 NSCLC | 130 (87.7%) | |||
  Adenocarcinoma | 73 (56.2%) | |||
  Squamous cell carcinoma | 18 (13.8%) | |||
  Othersa | 39 (30%) | |||
 | Control n (%) | Lung cancer n (%) | OR (95% C.I.) | P value |
Smoking Status | ||||
 Smoker n (%) | 30(20%) | 93(62%) | 2.78 (2.0–3.86) | 0.0001 |
 Non-smoker n (%) | 120(80%) | 57(38%) |  |  |
Pack-year | ||||
  < 20 n (%) | 16(53.3%) | 37(39.8%) | 0.58 (0.25–1.32) | NS |
  > 20 n (%) | 14(46.7%) | 56(60.2%) |  |  |