Table 2.
History of Ankle Sprains and Prevalence of CAIa
| Female (n = 505) | Male (n = 497) | |
|---|---|---|
| Ankle sprain history | ||
| Previous ankle sprain, n (%) | 147 (29.1) | 115 (23.1) |
| No. of ankle sprains per participantb | 0.0 (0.0-1.0) | 0.0 (0.0-0.0) |
| IdFAI scoreb | 0.0 (0.0-0.0) | 0.0 (0.0-0.0) |
| CAI prevalence, n (%) | ||
| No CAI | 386 (76.4) | 416 (83.7) |
| Unilateral CAI | 98 (19.4) | 65 (13.1) |
| Bilateral CAI | 21 (4.1) | 16 (3.2) |
aCAI, chronic ankle instability; IdFAI, Identification of Functional Ankle Instability.
bData are reported as median (interquartile range) and include participants both with and without a previous ankle sprain within the analysis.