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Table 1 Classification of severity of hallux valgus deformities according to angular measurements in 301 radiographs

From: A geometric analysis of hallux valgus: correlation with clinical assessment of severity

Angle Severity No. cases Percent
HVA Normal, < 15° 35 12
  Mild, 15–20° 42 13
  Moderate 21–39° 153 51
  Severe, ≥ 40° 71 24
IMA Normal, < 9° 58 19
  Mild, 9–11° 76 25
  Moderate, 12–17° 135 45
  Severe, ≥ 18° 32 11
PPAA Normal, < 6° 116 38
  Mild, 6–10° 115 38
  Moderate, 11–20° 63 21
  Severe, ≥ 21° 7 2
  1. HVA: Hallux valgus angle
  2. IMA: Intermetatarsal angle
  3. PPAA: Proximal phalangeal articular angle