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Gender differences in perforated stomach ulcer
| Period | Male patients n (%) | Female patients n (%) | Together n |
|---|---|---|---|
| I (1962–1976) | 21 (65.6) | 11 (34.4)a | 32 |
| II (1977–1991) | 27 (69.2) | 12 (30.8)b | 39 |
| III (1992–2006) | 22 (64.7) | 12 (35.3)c | 34 |
| I + II + III | 70 (66.7) | 35 (33.3) | 105 |
a/b, a/c, and b/c differences without statistical significance
