Success rates according to the operation type and drug use
| Operation | Mitomycin treated | Mitomycin untreated | Total |
|---|---|---|---|
| Primary endoscopic DCR | 14 | 9 | 23 |
| Success rate | 11/14 (78.5%) | 7/9 (77.8%) | 18/23 (78.3%) |
| Revision endoscopic DCR | 8 | 9 | 17 |
| Success rate | 6/8 (75.0%) | 7/9 (77.8%) | 13/17 (76.5%) |
| Total | 22 | 18 | 40 |
| Success rate | 17/22 (77.3%) | 14/18 (77.8%) | 31/40 (77.5%) |









