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Table 2 Baseline characteristics of participants1

From: Internet-based randomised controlled trials for the evaluation of complementary and alternative medicines: probiotics in spondyloarthropathy

  Placebo (n = 69) Probiotic (n = 65)
Age (s.d) 42.7 (12.7) 44.8 (12.1)
Disease duration (s.d) 20.3 (13.4) 20.3 (13.2)
Male (%) 45 (65.2) 49 (75.4)
Iritis2 (%) 13/58 (22.4) 14/52 (26.9)
Inflammatory bowel disease2 (%) 6/58 (10.4) 2/52 (3.9)
Medication   
■ non-steroidal anti-inflammatory drug (%) 44/66 (66.7) 53/62 (85.5)
■ steroid (%) 2/67 (3.0) 0/63 (0.0)
■ disease modifying antirheumatic drug (%) 8/67 (11.9) 5/63 (7.9)
Global Well-being (scale 0–10) 3.2 (2.0) 4.1 (2.5)
Disease activity (scale 0–10) 3.5 (1.9) 4.1 (2.2)
Function (scale 0–10) 3.1 (2.5) 4.2 (3.0)
  1. Notes
  2. 1. Values are mean (standard deviation) for continuous variables and number (percentage) for categorical variables
  3. 2. Confirmed by the participant's general practitioner or rheumatologist.