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Table 1 Baseline characteristics of all 241 CSA patients studied and of the 186 patients that also completed the PSS-10

From: Does psychological stress in patients with clinically suspect arthralgia associate with subclinical inflammation and progression to inflammatory arthritis?

  MHI-5 (n = 241) PSS-10 (n = 186)
Age, mean (SD) 44 (9) 44 (13)
Female, n (%) 187 (78) 147 (79)
68-tender joint count, median (IQR) 6 (3–11) 5 (3–10)
CRP (mg/L), median (IQR) 3 (3–5) 3 (3–5)
RF positive (≥ 3.5 IU/mL), n (%) 51 (21) 37 (20)
ACPA positive (≥ 7 U/mL), n (%) 32 (13) 21 (11)
Symptom duration in weeks, median (IQR) 17 (9–31) 18 (10–31)
  1. ACPA anti-citrullinated peptide antibody, CRP C-reactive protein, IQR interquartile range, RF rheumatoid factor, SD standard deviation