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The distribution of patient age and sex in two groups, n (%)
| Groups | n | Age (years)
|
Sex
|
||||
|---|---|---|---|---|---|---|---|
| ≤40 | 41–60 | 61–80 | >80 | Men | Women | ||
| Exposure group | 104 | 4 (3.85) | 16 (15.38) | 72 (69.23) | 12 (11.54) | 52 (50.00) | 52 (50.00) |
| Nonexposed group | 416 | 20 (4.81) | 108 (25.96) | 224 (53.85) | 64 (15.38) | 204 (49.04) | 212 (50.96) |
