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Surgical Recurrence Outcome According to Nonmodifiable Risk Factors
| No. of risk factors* | No. (%) | HR | 95% CI | p-value |
|---|---|---|---|---|
| 0 | 90 (30.8) | |||
| 1 | 113 (38.7) | 2.536 | 0.945–6.803 | 0.065 |
| 2 | 78 (26.7) | 4.110 | 1.532–11.027 | 0.005 |
| 3 | 11 (3.8) | 12.550 | 3.818–41.258 | 0.001 |
HR, hazard ratio; CI, confidence interval.
The risk factors are defined as an age at surgery of less than 16, the presence of perianal disease at surgery, and colonic or ileocolonic location at surgery.
