| Site | Endoscopic | CWU | CWD | Combined | Total |
| Recurrence | 7 (30.4%) | 8 (19.0%) | 1 (2.5%) | 3 (60.0%) | 19 (17.3%) |
| Site of recurrence | |||||
| Attic | 3 (42.9%) | 3 (37.5%) | 1 (100.0%) | 0 (0.0%) | 7 (36.8%) |
| Extension into Sinus Tympani | 1 (14.3%) | 2 (25.0%) | 0 (0.0%) | 0 (0.0%) | 3 (15.8%) |
| Extension into Facial Recess | 0 (0.0%) | 3 (37.5%) | 0 (0.0%) | 0 (0.0%) | 3 (15.8%) |
| Extension into Prussak’s Space | 1 (14.3%) | 0 (0.0%) | 0 (0.0%) | 0 (0.0%) | 1 (5.3%) |
| Extension Hypotympanum | 0 (0.0%) | 0 (0.0%) | 0 (0.0%) | 0 (0.0%) | 0 (0.0%) |
| Mastoid | 2 (28.6%) | 0 (0.0%) | 0 (0.0%) | 3 (100.0%) | 5 (26.3%) |