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Table 4 Dimensions of the calcaneofibular ligament in the general group, single fascicular and double fascicular ligaments

From: Morphometric relationships between dimensions the anterior talofibular ligament and calcaneofibular ligament in routine magnetic resonance imaging

   length [mm] thickness [mm] width [mm] fibula [mm] calcaneus [mm] volume [mm3] CFL angle [deg] TCA [deg]
General
N = 251
average 33.7 2.1 6.6 5.2 7.7 419.8 113.5 10.9
SD 4.1 0.2 1.4 1.0 1.3 98.2 13.1 4.5
min 24.2 1.3 3.8 2.7 4.9 248.8 80.2 2.2
max 42.7 2.5 10.1 7.1 10.1 656.6 133.4 16.7
   length [mm] thickness [mm] width [mm] fibula [mm] calcaneus [mm] volume [mm3] CFL angle [deg] TCA [deg]
Single fascicular
n = 76
average 31.4 2.0 6.2 5.4 7.1 383.8 116.1 12.4
SD 3.5 0.1 1.7 0.9 1.3 99.0 12.6 5.3
min 24.7 1.8 3.8 3.1 4.9 248.8 90.0 2.0
max 42.7 2.1 9.2 6.4 8.9 290.3 133.0 23.0
   length [mm] thickness [mm] width [mm] fibula [mm] calcaneus [mm] volume [mm3] CFL angle [deg] TCA [deg]
double fascicular
n = 175
average 33.2 2.1 6.5 5.2 7.6 437.0 113.1 10.3
SD 4.3 0.3 1.3 1.1 1.3 93.7 13.2 3.8
min. 24.2 1.3 4.1 2.7 5.1 277.2 80.0 3.0
max 42.7 2.5 10.1 7.1 10.1 656.6 140.0 17.0
  P < 0.001 > 0.05 > 0.05 > 0.05 < 0.01 < 0.001 > 0.05 < 0.05
ICC (95% CI) 0.78 (0.74–0.79) 0.66 (0.39–0.75) 0.78 (0.66–0.89) 0.74 (0.63–0.88) 0.72 (0.60–0.77) 0.74 (0.67–0.78) 0.84 (0.73–0.88) 0.83 (0.34–0.95)
SEM 0.90 0.06 0.24 0.21 0.18 27.8 2.98 0.48
  1. Abbreviations: CFL the calcaneofibular ligament, deg. degrees, ICC intra-class correlation coefficient, min. Minimum, max. Maximum, SEM standard error of measurement, SD standard deviation, TCA the tibiocalcaneal angle. P-value refers to difference between single and double fascicular ligament