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Smoking habits
| Never smoker N (%) | Former smoker N (%) | Current smoker N (%) | Total N (%) | |
|---|---|---|---|---|
| Male cases | 10 (22) | 25 (56) | 10 (22) | 45 (100) |
| Male controls | 19 (31) | 24 (39) | 18 (30) | 61 (100) |
| Female cases | 10 (71.5) | 1 (7) | 3 (21.5) | 14 (100) |
| Female controls | 23 (53) | 14 (33) | 6 (14) | 43 (100) |
