Additional file 3.

Descriptive characteristics and univariable analysis: 'moderate to severe OA'. This file provides the full descriptive characteristics and pairwise univariable comparison of participants with (1) no radiographic OA, (2) isolated patellofemoral joint OA, isolated tibiofemoral joint OA, or combined patellofemoral/tibiofemoral joint OA, using the more stringent cut-off of 'moderate to severe OA'.

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Peat et al. Arthritis Research & Therapy 2012 14:R63   doi:10.1186/ar3779