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Table 2 Improvement in radiographic measurements after triple C and the modified Kidner operation

From: Concomitant calcaneo-cuboid-cuneiform osteotomies and the modified Kidner procedure for severe flatfoot associated with symptomatic accessory navicular in children and adolescents

  Preoperative Postoperative Mean difference pvaluea
(n  = 21) (n  = 21) (n  = 21)
AP talo-first MTT angle (°) 23.3 (4.3) 7.8 (3.1) 15.5 (5.4) <0.001
AP talo-navicular coverage angle (°) 32.9 (5.1) 11.6 (3.8) 21.3 (5.0) <0.001
AP talo-calcaneal angle (°) 35.4 (6.1) 18.4 (5.3) 17.0 (6.9) <0.001
AP talo-fifth MTT angle (°) 33.0 (6.8) 29.2 (6.2) 3.8 (9.9) 0.095
Lateral talo-first MTT angle (°) 26.7 (5.7) 10.1 (2.5) 16.5 (5.8) <0.001
Lateral calcaneal pitch (°) 7.5 (1.8) 18.2 (3.6) −10.6 (3.8) <0.001
Lateral calcaneo-fifth MTT angle (°) 19.0 (5.0) 21.5 (4.6) −2.6 (6.9) 0.105
Lateral talo-calcaneal angle (°) 45.8 (6.8) 28.5 (7.8) 17.3 (11.2) <0.001
Lateral talo-horizontal angle (°) 37.3 (5.3) 22.9 (5.3) 14.4 (7.9) <0.001
Lateral first-fifth MTT angle (°) 8.1 (2.8) 10.3 (3.9) −2.2 (4.9) 0.057
Lateral naviculo-cuboid overlap (%) 72.6 (8.3) 44.7 (15.7) 27.9 (16.) <0.001
Medial-lateral column ratio (%) 96.8 (4.7) 94.6 (5.2) 2.2 (3.8) 0.015
  1. aData analyzed with paired t-tests; results are mean (± standard deviation).