Table 3.
Cox regression models predicting time to recurrence for a) bilateral hernias and b) unilateral hernia repairs
| Dependent variable | Bilateral hernia repair | Unilateral hernia repair | ||
|---|---|---|---|---|
| HR (95% CI) | p value | HR (95% CI) | p value | |
| Type of operation | ||||
| Open | Referent | Referent | ||
| Laparoscopic | 1.76 (1.39, 2.23) | < 0.001 | 1.85 (1.58, 2.16) | < 0.001 |
| Age | 1.01 (1.00, 1.014) | 0.096 | 1.01 (1.01, 1.01) | < 0.001 |
| Gender | ||||
| Male | Referent | Referent | ||
| Female | 0.21 (0.05, 0.86) | < 0.001 | 0.44 (0.33, 0.59) | < 0.001 |
| Socioeconomic deprivation | ||||
| SIMD quintile 1 | Referent | Referent | ||
| SIMD quintile 2 | 1.43 (0.94, 2.16) | 0.094 | 1.06 (0.89, 1.26) | 0.500 |
| SIMD quintile 3 | 1.24 (0.81, 1.88) | 0.321 | 1.04 (0.88, 1.24) | 0.654 |
| SIMD quintile 4 | 1.45 (0.98, 2.16) | 0.066 | 1.14 (0.96, 1.35) | 0.127 |
| SIMD quintile 5 | 1.33 (0.89, 1.98) | 0.166 | 1.16 (0.98, 1.38) | 0.08 |
| Year of index procedure* | 0.97 (0.95, 0.99) | 0.008 | 0.97 (0.97, 0.98) | < 0.001 |
*Since 1996 (the referent year)