Inclusion and Exclusion Criteria
| Inclusion criteria |
| Adult patients (≥18 years) |
| Degenerative osteoarthritis |
| Varus osteoarthritis |
| Patients who failed conservative treatments for more than 3 months |
| Exclusion criteria |
| Traumatic arthritis |
| Valgus osteoarthritis |
| Rheumatoid arthritis |
| Patients who previously received surgical treatments for ankle osteoarthritis |
| Patients who previously received injection therapy for ankle osteoarthritis |
