Table 1.
Patient demographics
| Total population (n = 351) | Female patients (n = 99) | Male patients (n = 252) | |
|---|---|---|---|
| Age (years) | 56.8 (47.2, 68.9) | 52.2 (44.9, 67.0) | 58.2 (48.4, 69.6) |
| Sex | |||
| Male | 252 (71.8%) | ||
| Female | 99 (28.2%) | ||
| Body mass index (kg/m2) | 25.7 (23.1, 29.0) | 26.7 (22.3, 31.2) | 25.7 (23.2, 28.3) |
| No. of patients with inguinal hernia | 221/351 (63.0%) | 31/99 (31.3%) | 190/252 (75.3%) |
| No. of inguinal hernias | 381 | 53 | 328 |
| No. of patients with bilateral inguinal hernias | |||
| Of all patients | 160/351 (45.6%) | 22/99 (22.2%) | 138/252 (54.8%) |
| Of patients with inguinal hernias | 160/221 (72.4%) | 22/31 (71.0%) | 138/190 (72.6%) |
| Type of inguinal hernias | |||
| Indirect | 215/381 (56.4%) | 44/53 (83.0%) | 171/328 (52.1%) |
| Direct | 116/381 (30.5%) | 8/53 (15.1%) | 108/328 (32.9%) |
| Combined | 50/381 (13.1%) | 1/53 (1.9%) | 49/328 (15.0%) |
| Hernia size | |||
| All hernias | |||
| Hernia neck (mm) | 13.0 (8.3, 20.8) | ||
| Hernia sac (mm) | 37.0 (25.0, 55.0) | ||
| Combined hernias | |||
| Hernia neck smaller component (mm) | 8.0 (6.3, 11.0) | ||
| Hernia neck larger component (mm) | 18.0 (12.0, 24.0) | ||
| Hernia sac smaller component (mm) | 17.0 (11.5, 25.5) | ||
| Hernia sac larger component (mm) | 40.0 (31.5, 63.0) | ||
| Hernia contents | |||
| Fat | 276/381 (72.4%) | 48/53 (90.6%) | 228/328 (69.5%) |
| Bowel | 93/381 (24.4%) | 5/53 (9.4%) | 88/328 (26.8%) |
| Bladder | 11/381 (2.9%) | – | 11/328 (3.4%) |
| Fluid | 1/381 (0.3%) | – | 1/328 (0.3%) |
Data are either numbers with percentages in parentheses or medians with interquartile range in parentheses