From: Delayed functional therapy after acute lateral ankle sprain increases subjective ankle instability – the later, the worse: a retrospective analysis
Frequency of LAS (%)
CAI rate (%)
Male (%) of CAI rate
Female (%) of CAI rate
all
17.3
41.4
58.6
14–25 years
45.6
11.7
38.7
61.3
26–40 years
29.4
12.4
47.6
52.4
41–55 years
25.0
22.7
40.0
60.0