Original researchClinical Tests Have Limited Predictive Value for Chronic Ankle Instability When Conducted in the Acute Phase of a First-Time Lateral Ankle Sprain Injury
Section snippets
Design
This was a cohort study.
Participants
Eighty-two participants were recruited at convenience from a university-affiliated hospital emergency department within 2 weeks of sustaining an acute first-time LAS injury. All participants were provided with basic advice on applying ice and compression for the week on discharge from the emergency department. Activities of daily living were encouraged: participants were instructed to weight bear and walk within the limits of pain when possible. All participants were
Results
Descriptive statistics for the clinical tests are presented in table 2. Results of preliminary correlation analyses are presented in table 3. The potential predictors were entered into a direct logistic regression model in 1 block. Scores on the knee to wall test, figure of 8 test, eversion ROM, and inversion ROM were then removed sequentially from the model using a backward elimination technique in the optimization of its predictive capacity. The regression analysis was then repeated with the
Discussion
Findings from this study have revealed that several clinician-oriented outcomes demonstrate statistically significant predictive value for CAI development. These outcome measures were administered on a cohort of individuals within 2 weeks of incurring a first-time LAS injury. The cohort was subsequently stratified into CAI and LAS coper groups 12 months later. This cohort was simultaneously evaluated across a spectrum of movement patterns as part of another investigation, whereby biomechanical
Conclusions
This is the first analysis in which the predictive value of a clinical test battery for ankle sprain injury for determining CAI has been investigated. Although our results showed that some of these clinical tests demonstrate predictive value, the accuracy at which they identify individuals at risk of developing CAI is moderate. Further research is required to determine whether performing these tests in a less heterogenous sample of individuals, representative of the subgroups of the CAI
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2022, Foot and Ankle SurgeryCitation Excerpt :However, low levels of pain at 6 weeks may reflect that the pain is not a reliable clinical sign to detect residual impairment of the ankle after an acute LAS. The association between the ankle's function and muscle atrophy had not been well established [8,13,26,37]. A previous study [38] investigated the predictors of CAI in recreational athletes and healthy controls, reporting a moderate correlation between CAIT score and peroneal reaction time.
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Supported by the Health Research Board (grant no. HRA_POR/2011/46).
Disclosures: none.