Hand osteoarthritis phenotypes based on a biopsychosocial approach, and their associations with cross-sectional and longitudinal pain
Objective: Hand osteoarthritis (OA) pain is characterized as heterogeneous and multifactorial. Differences in pain may be explained by underlying phenotypes, which have not been previously explored Design: Latent class analysis determined classes of participants with hand OA from the Nor-Hand study baseline examination (2016–17) based on a biopsychosocial framework. Outcomes were hand and overall