Table 4.
Risk Ratios and 95% CIs Examining the Risk of Subsequent Lateral Ankle Sprain Among Those With Versus Those Without a History of Lateral Ankle Sprain by Sex
| Sex |
Study (Year) |
Group, No. |
Group, Subsequent Lateral Ankle Sprain, No. (%) |
Risk Ratio (95% CI)a |
||
| No Lateral Ankle Sprain History |
Lateral Ankle Sprain History |
No Lateral Ankle Sprain History |
Lateral Ankle Sprain History |
|||
| Male | Arnason et al12 (2004) | 305 | 212 | 3 (1.0) | 11 (5.2) | 5.28 (1.49, 18.68)b |
| Hartley et al24 (2018) | 346 | 38 | 20 (5.8) | 19 (50.0) | 8.65 (5.09, 14.71)b | |
| Henry et al33 (2016) | 162 | 48 | 9 (5.6) | 5 (10.4) | 1.88 (0.66, 5.33) | |
| Kofotolis et al31 (2007) | 180 | 132 | 55 (30.6) | 84 (63.6) | 2.08 (1.61, 2.69)b | |
| Meeuwisse et al26 (2003) | 281 | 167 | 33 (11.7) | 27 (16.2) | 1.38 (0.86, 2.21) | |
| Milgrom et al32 (1991) | 339 | 51 | 51 (15.0) | 16 (31.4) | 2.09 (1.29, 3.36)b | |
| Female | Attenborough et al13 (2016) | 40 | 54 | 6 (15.0) | 5 (9.3) | 0.62 (0.20, 1.88) |
| Faude et al29 (2006) | 56 | 87 | 11 (19.6) | 22 (25.3) | 1.29 (0.68, 2.44) | |
| Hartley et al24 (2018) | 146 | 21 | 13 (8.9) | 8 (38.1) | 4.28 (2.02, 9.08)b | |
| Kofotolis and Kellis30 (2007) | 64 | 138 | 8 (12.5) | 24 (17.4) | 1.39 (0.66, 2.93) | |
a
Risk ratios compared the risk of subsequent lateral ankle sprain in the lateral ankle sprain history group versus the no lateral ankle sprain history group, which served as the referent.
b
Indicates risk ratio was different (ie, 95% CI excluded 1.00).