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Table 1 Absolute values for preoperative radiographic parameters in Group 1 (intact ATFL) and 2 (injured ATFL)

From: Anterior talofibular ligament lesion is associated with increased flat foot deformity but does not affect correction by lateral calcaneal lengthening

  Group 1 Group 2
Talometatarsale-angle (°)
 Median 8.0 15.0
 Min – max 0.5–15.0 1.0–32.0
p-Value 0.002
Calcaneal inclination angle (°)
 Median 17.0 16.5
 Min – max 10.0–25.0 7.5–26.5
p-Value 0.589
Talocalcaneal-angle (°)
 Median 45.0 50.5
 Min - max 30.0–59.0 38.5–64.5
p-Value 0.000
Talonavicular uncoverage angle (°)
 Median 21.5 29.0
 Min - max −10.0 – 42.0 10.5–53.0
p-Value 0.005