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Table 1 Demographic and clinical characteristics of patients with rheumatoid arthritis

From: Association of rheumatoid arthritis and its severity with human leukocytic antigen-DRB1 alleles in Kurdish region in North of Iraq

Characteristics RA (n = 65)
Age, mean (+ , − SD) years 47.4 (10.6)
Disease duration, mean (+ , − SD) years 9.5 (3.7)
Women 47 (72.30%)
Men 18 (27.69%)
RF positive patients 44 (67.69%)
Anti-CCP positive patients 41 (63.07%)
(RP (mg/L) 25 (32.3)
DAS-28, mean (SD) 5.1 (1.2)