Table 1

Patient demographics by diagnosis group

Patient groupNumber of patientsAge, years Mean (range)Number (%) Female
RA10355.4 (24–86)87 (84)
JRA2130.9 (15–50)18 (86)
PsA2144.6 (24–70)15 (71)
Spondylitis1139.0 (26–54)4 (36)
Inflammatory arthritis2646.2 (16–77)15 (58)
SLE3937.7 (18–61)36 (92)
Non-inflammatory2349.6 (19–82)19 (83)
Other inflammatory condition559.2 (49–80)3 (60)