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Table 1 Participant demographic data between the anterior ankle impingement (AAI) group and pure CAI group

From: Arthroscopic debridement of anterior ankle impingement in patients with chronic lateral ankle instability

 

AAI group (n = 22)

pure CAI group (n = 38)

Age, mean SD, y

31.2 ± 8.8

27.6 ± 8.5 n.s.

Body mass index (kg/m2)

24.5 ± 3.0

23.2 ± 2.4 n.s.

Gender, n

Males, n = 16

Males, n = 31

Females, n = 6

Females, n = 7

Side, n

Left, n = 12

Left, n = 15

Right, n = 10

Right, n = 23

Injury time, months

37 ± 42

26 ± 36 n.s.

Follow-up time, months

37 ± 10 (24 ~  56)

37 ± 10 (24 ~  53) n.s.

  1. AAI anterior ankle impingement. n.s. indicated there was no significant difference between groups