Table 1. .
Participant Demographics
| Characteristic |
Group |
||
| Chronic Ankle Instability (n = 37) |
Copers (n = 30) |
Controls (n = 26) |
|
| Sex, males/females | 18/19 | 13/17 | 9/17 |
| Modified physical activity? Yes/no | 11a,b/26 | 0/30 | NA |
| Mean ± SD |
|||
| Age, y | 21.95 ± 3.45 | 21.86 ± 4.32 | 21.56 ± 3.15 |
| Body mass index | 25.16 ± 3.79 | 26.21 ± 6.28 | 23.72 ± 2.84 |
| Identification of Functional Ankle Instability | 17.70 ± 3.62a,b | 4.76 ± 3.52a | 0.00 ± 0.00 |
| Ankle Instability Instrument | 5.89 ± 1.41a,b | 2.48 ± 1.21a | 0.00 ± 0.00 |
| Foot and Ankle Ability Measure—Activities of Daily Living, % | 90.29 ± 8.37a,b | 98.55 ± 2.55a | 99.96 ± 0.23 |
| Foot and Ankle Ability Measure—Sport, % | 81.89 ± 11.57a,b | 96.53 ± 5.27a | 99.55 ± 1.81 |
| Lateral ankle sprains, No. (minimum, maximum) | 2.86 ± 2.62a,b (1, 15) | 1.82 ± 1.16 | NA |
| Months since most recent lateral ankle sprain (minimum, maximum) | 40.86 ± 32.21 (4, 96) | 50.46 ± 45.64 (5, 240) | NA |
| Ankle giving-way feelings, No. (minimum, maximum) | 9.11 ± 17.71 (2, 100) | NA | NA |
Abbreviation: NA, not applicable.
a
Different from controls (P < .05).
b
Different from copers (P < .05).