Alleles | Recurrence | Total | P value | |
Yes | No | |||
E2E2, E2E3, E2E4 | 2(20%) | 8 (80%) | 10 (100%) | 0.404 |
E3E3 | 2 (7.4%) | 25 (92.6%) | 27 (100%) | |
E3E4, E4E4 | 4 (23.5%) | 13 (76.5%) | 17 (100%) |