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Traditional Radiographic Classification of Hallux Valgus Deformity (Severity Based).
| Severity of Deformity | Hallux Valgus Angle (HVA) | First-Second Intermetatarsal Angle (IMA) | Treatment |
|---|---|---|---|
| Normal | <15° | <9° | None |
| Mild | <20° | 9-11° | Distal osteotomy ± soft tissue procedure |
| Moderate | 20-40° | 11-16° | Proximal osteotomy ± soft tissue procedure |
| Severe | >40° | >16° | Proximal osteotomy or first tarsometatarsal arthrodesis ± soft tissue procedure |
