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Radiographic Hallux Valgus Deformity Categories
| Category* | No. (%) of Feet |
| Mild: HVA 15° to <20° and/or IMA 9° to <14° | 25 (7.8%) |
| Moderate: HVA 20° to <40° and/or IMA 14° to <20° | 209 (65.5%) |
| Severe: HVA ≥40° and/or IMA ≥20° | 85 (26.6%) |
| Total | 319 |
HVA = hallux valgus angle, and IMA = 1-2 intermetatarsal angle. When the HVA and IMA in the same patient did not fit into the same category, the more severe of the 2 angles was used to represent the severity of the deformity20.
