The Clinical Assessment Study of the Foot (CASF): study protocol for a prospective observational study of foot pain and foot osteoarthritis in the general population.

This three-year prospective epidemiological study will combine survey data, comprehensive clinical, x-ray and ultrasound assessment, and review of primary care records to identify radiographic phenotypes of foot OA in a population of community-dwelling older adults, and describe their impact on symptoms, function and clinical examination findings, and their presentation, diagnosis and management in primary care.  Roddy E, Myers H, Thomas MJ, Marshall M, D'Cruz D, Menz HB, Belcher J, Muller S, Peat G. J Foot Ankle Res. 2011 Sep 5;4(1):22. [Epub ahead of print] PMID: 21892960 PDF