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Table 1 Characteristics of the study population. For patients with psoriatic arthritis (PsA) and rheumatoid arthritis (RA), as well as healthy controls the population size, the mean age in years ± standard deviation and range, the mean disease duration (except HC) in years (PsA) and weeks (RA) ± standard deviation and range and the sex are presented

From: High-resolution MRI of flexor tendon pulleys using a 16-channel hand coil: disease detection and differentiation of psoriatic and rheumatoid arthritis

 PsA patientsRA patientsHC
Population size172016
Age [years]53.7 ± 11.6 (26–72)46 ± 15.7 (19–67)39 ± 16.1 (range 17–78)
Disease duration2.6 ± 3.3 (1–8 years)11 ± 7 (2–24 weeks)
Sex [male/female]9 males/8 females11 males/9 females9 males/7 females