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Essential features of cases and controls
| Essential feature | Cases n (%) | Controls n (%) | P value |
|---|---|---|---|
| Age (mean age) | 53.8±10.8 | 53.4±12.2 | 0.86 |
| ≤50 | 22 (31.4) | 21 (29.2) | |
| >50 | 48 (68.6) | 51 (70.8) | |
| Smoking | 0.87 | ||
| yes | 31 (44.3) | 30 (41.7) | |
| no | 39 (55.7) | 42 (58.3) | |
| Family history | 0.00 | ||
| yes | 45 (64.3) | 16 (22.2) | |
| no | 25 (35.7) | 56 (77.8) | |
| Abortion history | 0.43 | ||
| yes | 19 (27.1) | 15 (20.8) | |
| no | 51 (72.9) | 57 (79.2) | |
| Menopause | 0.02 | ||
| yes | 43 (61.4) | 30 (42.9) | |
| no | 27 (38.6) | 42 (57.1) |
