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Association of urinary metabolites with radiographic progression of knee osteoarthritis in overweight and obese adults
an exploratory study
Loeser, R. F., Pathmasiri, W., Sumner, S., McRitchie, S., Beavers, D., Saxena, P., Nicklas, BJ., Jordan, J., Guermazi, A., Hunter, DJ., & Messier, SP. (2016). Association of urinary metabolites with radiographic progression of knee osteoarthritis in overweight and obese adults: an exploratory study. Osteoarthritis and Cartilage, 24(8), 1479-1486. https://doi.org/10.1016/j.joca.2016.03.011
INTRODUCTION: Metabolic factors may contribute to osteoarthritis (OA). This study employed metabolomics analyses to determine if differences in metabolite profiles could distinguish people with knee OA who exhibited radiographic progression. METHODS: Urine samples obtained at baseline and 18 months from overweight and obese adults in the Intensive Diet and Exercise for Arthritis (IDEA) trial were selected from two subgroups (n = 22 each) for metabolomics analysis: a group that exhibited radiographic progression (>/=0.7 mm decrease in joint space width, JSW) and an age, gender, and body mass index (BMI) matched group who did not progress (
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