Skip to main content

Table 1 Baseline characteristics of the RA-risk cohort and SpA-risk cohort

From: Patients’ and rheumatologists’ perceptions on preventive intervention in rheumatoid arthritis and axial spondyloarthritis

  RA-risk cohort, n = 100 SpA-risk cohort, n = 38
Age, mean (SD) 54 (11) 28 (7)
Female sex, n (%) 71 (71) 25 (66)
Current smoker, n (%) 17 (17) 8 (21)
VAS joint pain, median (IQR) 24 (5–50)
Self-reported history of swollen joints (median, IQR) 0 (0–0)
RF positive, n (%) 72 (72)
ACPA positive, n (%) 37 (37)
High RA-risk (≥ 38% in 4 years)*, n (%) 40 -
Back pain present, n (%) 28 (74)
Inflammatory back pain present, n (%) 6 (21)
VAS back pain, median (IQR) - 14 (0–36)
HLA-B27 positive, n (%) 20 (56)
  1. ACPA anti-citrullinated protein antibodies, RF rheumatoid factor, IQR interquartile range, RA rheumatoid arthritis, SD standard deviation, SpA spondyloarthritis, VAS visual analog scale
  2. *Retrospectively calculated using the clinical prediction score of van de Stadt et al. [23]