| Variable | Healing | Total | ||
| healed after surgery | spontaneous healing | |||
| Duration of healing | 3 weeks | 0 (0.0%) | 1 (4.3%) | 1 (3.3%) |
| 4 weeks | 0 (0.0%) | 6 (26.1%) | 6 (20.0%) | |
| 5 weeks | 1 (14.3%) | 8 (34.8%) | 9 (30.0%) | |
| 6 weeks | 1 (14.3%) | 5 (21.7%) | 6 (20.0%) | |
| 7 weeks | 0 (0.0%) | 3 (13.0%) | 3 (10.0%) | |
| 8 weeks | 5 (71.4%) | 0 (0.0%) | 5 (16.7%) | |
| Total | 7 (100.0%) | 23 (100.0%) | 30 (100.0%) | |