From: Dutch translation and cross-cultural adaptation of the PROMIS® physical function item bank and cognitive pre-test in Dutch arthritis patients
Characteristic
N (SD)
Mean range
Diagnosis (%)
Rheumatoid arthritis
15
Osteoarthritis
3
Psoriatic arthritis
2
Gender (% female)
70%
Age
53.7 (7.5)
39-63
Disease duration in years
Mean
10.6 (7.9)
3-31