Risk factors for meniscal body extrusion on MRI in subjects free of radiographic knee osteoarthritis: longitudinal data from the Osteoarthritis Initiative.

OBJECTIVE To determine risk factors associated with increased meniscal body extrusion on knee magnetic resonance (MR) images in subjects free of radiographic osteoarthritis (OA). METHODS We selected 340 subjects (aged 45-55 years, mean [SD] body mass index 26.7 [4.4], 51% women) with Kellgren-Lawrence grade 0 in both knees and bilateral knee MR images… CONTINUE READING