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Table 3 Angular values (IMA, HVA and DMAA), sesamoid position, metatarsal index and congruency of the metatarso-phalangeal-I articular surface

From: Functional and radiographic outcomes of hallux valgus correction by mini-invasive surgery with Reverdin-Isham and Akin percutaneous osteotomies: a longitudinal prospective study with a 48-month follow-up

  Pre-op 3-month FU 12-month FU 48-month FU Efficacy (%)
IMA (degrees)
 Tot. (DS) 12.9 (2.8) 9.0 9.0 9.0 (2.0) 30.23
 Mild 9.1    7.1 22.0
 Moderate 12.1    9.0 27.3
 Severe 16.6    10.0 39.2
HVA (degrees)
 Tot. 26.4 (6.7) 12.3 13.1 13.9 (6.2) 47.35
 Mild 16.4    9.8 40.2
 Moderate 26.0    14.2 45.0
 Severe 32.0    14.7 54.0
DMAA (degrees)
 Tot. 10.12 (4.3) 5.0 5.2 5.4 (3.2) 46.64
 Mild 6.3    3.9 38.1
 Moderate 10.0    5.3 47.0
 Severe 12.4    6.5 47.6
Sesamoid Position (pts)
 Tot. 2.4 (0.6) 1.1 1.2 1.3 (0.6) 45.83
 Mild 2.0    0.9 55.0
 Moderate 2.3    1.3 43.5
 Severe 2.8    1.7 39.3
Metatarsal Index
 M1 < M2 34    58  
 M1 = M2 28    19  
 M1 > M2 18    3  
MTP-I Art. Sup.
 Congruent 61    77  
 Incongruous 19    3