Impact of Foot Type on Cost of Lower Extremity Injury
ARMY MEDICAL RESEARCH AND MATERIEL COMMAND FORT DETRICK MD
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The primary purpose was to determine the relationship between foot type and medical costs associated with lower extremity MSI. An additional purpose was to describe the utilization of healthcare and costs. Participants n688 M392, F276 age 30.1 7.4 years, BMI 25.8 3.3 kgm2 were prospectively followed for 31 months. The Foot Posture Index FPI-6 quantified static foot posture. Medical costs, diagnostic codes, and relative value units RVUs associated with healthcare visits were acquired from the military healthcare database. Univariate ANOVAs were performed to compare costs, body regions, and static foot posture. Three hundred and thirty six 50.3 of 668 participants sought medical care for lower extremity MSI, totalling 2,112 medical visits and a cost of 436,965. Costs varied by foot type for injuries below the knee p.05. Post hoc analysis demonstrated that the extreme pronated foot type resulted in increased RVUs for leg injuries p.02 and increased visits for injuries from the knee to the foot p.02, and in the leg region p.003 when compared to the normal foot type. Pronated feet, as assessed by the FPI-6, were associated with significantly higher injury costs and healthcare utilization for injuries from the knee to the foot, especially in the leg and foot regions.
- Economics and Cost Analysis
- Anatomy and Physiology
- Medicine and Medical Research