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Table 1 Maximum tibio-talar dorsiflexion (TTDF), dorsi-plantar flexion (DPF) and medial arch angle (MAA) in 26 normal feet and 80 feet of patients with CMT

From: Cavovarus deformity in Charcot-Marie-Tooth disease: is there a hindfoot equinus deformity that needs treatment?

  Tibio-talar dorsiflexion (°) Dorsi-plantar flexion (°) Medial arch angle (°)
Mean (+/- 1 SD) Mean (+/- 1 SD) Mean (+/- 1 SD)
(range) (range) (range)
Normal control (N = 26) 10.1 (+/− 3.0) 14.2 (+/− 4.1) 128.2 (+/− 5.6)
(3.6 to 14.9) (5.8 to 22.0) (113.3 to 136.8)
Patients with CMT and normal TTDF (N = 31) 10.4 (+/− 1.8) 16.8 (+/− 7.0) 112.9 (+/− 12.6)
(7.6 to 12.9) ((−7.3) to 38.5) (78.5 to 133.3)
Patients with CMT and increased TTDF (N = 31) 16.1 (+/− 1.9) 20.5 (+/− 4.8) 111.6 (+/− 10.3)
(13.6 to 21.1) (1.8 to 30.9) (90.3 to 129.1)
Patients with CMT and decreased TTDF (N = 18) 3.4 (+/− 3.0) 8.9 (+/− 6.0) 106.5 (+/− 16.2)
((−2.4) to 7.1) ((−5.8) to 20.9) (80.2 to 137.4)