Risk Factors for Achilles Tendon Rupture: A Matched Case Control Study

Publication date: Available online 26 August 2017
Source:Injury
Author(s): Peter C. Noback, Eugene S. Jang, Derly O. Cuellar, Mani Seetharaman, Emiliano Malagoli, Justin K. Greisberg, J.Turner Vosseller
PurposeThe purpose of this study was to elucidate whether body mass index (BMI), activity level, and other risk factors predispose patients to Achilles tendon ruptures.Materials and methodsA retrospective review of 279 subjects was performed (93 with Achilles tendon rupture, matched 1:2 with 186 age/sex matched controls with ankle sprains). Demographic variables and risk factors for rupture were tabulated and compared.ResultsThe rupture group mean BMI was 27.77 (95% CI, 26.94-28.49), and the control group mean BMI was 26.66 (95% CI, 26.06-27.27). These populations were found to be statistically equivalent (p=0.047 and p <0.001 by two one-sided t-test). A significantly higher proportion of those suffering ruptures reported regular athletic activity at baseline (74%) versus controls (59%, p=0.013).ConclusionThere was no clinically significant difference found in BMI between patients with ruptures and controls. Furthermore, it was found that patients who sustained ruptures were also more likely to be active at baseline than their ankle sprain counterparts.



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