Table 9.
Results of surgical treatment according to van der Waal classification and clinical picture
| Level | Relapse | Cure |
|---|---|---|
| I | 7 (22.6) | 24 (77.4) |
| II | 4 (40.0) | 6 (60.0) |
| III | 2 (22.2) | 7 (77.8) |
| IV | – | – |
| Total | 13 | 37 |
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