Lombnæs GO, et al. – In this assessment, the specialists examined the hand–, knee– and hip osteoarthritis (OA) distribution, risk factor profiles and health–related quality of life (HRQoL) in a population–based OA cohort. They illustrated that polyarticular OA (POA) was the most prevalent phenotype and was associated with an unfortunate risk factor profile and several diminished HRQoL dimensions in these patients.