Number of positive resection margin (Incidence rate) | Univariate OR | 95% CI | Pvalue | |
---|---|---|---|---|
Risk factors | ||||
0 | 1/956 (0.1%) | 0.038 | 0.005–0.277 | 0.001 |
1 | 5/1242 (0.4%) | 0.135 | 0.053–0.342 | < 0.001 |
2 | 10/325 (3.1%) | 1.94 | 0.96–3.93 | 0.064 |
3 | 7/132 (5.3%) | 3.44 | 1.51–7.81 | 0.003 |
4 | 20/94 (21.3%) | 24.5 | 13.2–45.3 | < 0.001 |
5 | 6/7 (85.7%) | 377.5 | 44.4–3203.8 | < 0.001 |