Table 1.
Contralateral inguinal hernia (CIH) repair rate according to different clinical characteristics in 170,492 male adult patients after primary unilateral inguinal hernia repair (Overall: 10.5%; second operation: 3.7% complicated)
| Clinical Characteristics | Total patients | CIH repair events | CIH Rate | P |
|---|---|---|---|---|
| Age, y | <0.001 | |||
| 18–45 | 43,075 | 02,541 | 05.9% | |
| 45–65 | 59,866 | 07,130 | 11.9% | |
| 65–80 | 54,503 | 07,134 | 13.1% | |
| > 80 | 13,048 | 01,074 | 08.2% | |
| Type of hernia | <0.001 | |||
| Indirect | 92,139 | 08,685 | 09.4% | |
| Direct | 46,347 | 05,447 | 11.8% | |
| Unspecific | 32,006 | 03,747 | 11.7% | |
| Mesh or not | <0.001 | |||
| Without mesh | 125,826 | 14,297 | 11.4% | |
| With mesh | 044,666 | 03,582 | 08.0% |