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Table 1 Clinical characteristics of the patients with AS and USpA (n = 940)

From: Prevalence of chronic widespread pain in a population-based cohort of patients with spondyloarthritis – a cross-sectional study

  AS USpA  
Variables n = 570 n = 370 p-value
Age, years 54.2 (13.9) 49.1 (13.6) ≤ 0.001
Women/Men, n (%) 196/374 (34.4/65.6) 216/154 (58.4/41.6) ≤ 0.001
Disease duration, years 20.3 (13.5) 10.3 (9.5) ≤ 0.001
Pain intensity (0–10) 3.7 (2.7) 4.0 (2.5) 0.081
Fatigue (0–10) 4.4 (2.7) 4.7 (2.8) 0.222
Pain regions 4.5 (4.6) 5.3 (4.9) 0.019
Smoking ever % 53.7 38.6 ≤ 0.001
BMI 25.9 (4.0) 25.6 (4.3) 0.256
BASDAI (0–10) 3.9 (2.2) 4.2 (2.2) 0.031
  1. Values are given in mean (SD) unless otherwise indicated
  2. AS ankylosing spondylitis, USpA undifferentiated spondyloarthritis, BMI body mass index, BASDAI the Bath Ankylosing Spondylitis Disease Activity Index