Variable | Lung cancer (N = 86) | Controls (N = 64) | p value | OR (95% CI)/P |
---|---|---|---|---|
Age (years) | ||||
Mean ± SD (Range) | 54.2 ± 10.5 (27–75) | 50.2 ± 8.5 (37–70) | 0.08a |  |
Age group | ||||
< 45 year n (%) | 14 (16.3) | 18 (28.1) | 0.2b | 2.0 (0.6–6.1)/0.2 |
≥ 45 year n (%) | 72 (83.7) | 46 (71.9) |  | |
Gender | ||||
Male n (%) | 70 (81.4) | 26 (40.6) | 0.001*b | 6.4 (2.2–18.1)/< 0.001* |
Female n (%) | 16 (19.6) | 38 (59.4) | ||
Histological type n (%) | ||||
SCLC | 12 (14) | Â | Â | Â |
NSCLC | 74 (86) | Â | Â | Â |
 Adenocarcinoma | 52 (70.3) |  |  |  |
 Squamous cell carcinoma | 6 (8.1) |  |  |  |
 Othersd | 16 (21.6) |  |  |  |
Smoking (Yes/No) | Â | Â | Â | |
Non-smokers n (%) | 26(30.3) | 50(78.2) | <0.0001*b | 8.2(2.8-23.7)/< 0.0001* |
Smoker n (%) | 60(69.7) | 14(21.8) | <0.0001*b | Â |
Pack-year (mean) | 44.9 | 28.7 | 0.001*c | 1.0 (0.9-1.1)/0.03* |