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Table 1 Baseline characteristics of ACPA+ and ACPA treatment-naive patients with early RA

From: CCR6+ Th cell populations distinguish ACPA positive from ACPA negative rheumatoid arthritis

Characteristic ACPA+ patients (n = 27) ACPA patients (n = 27) p value
DAS44 score (mean ± SD) 3.12 ± 0.82 3.14 ± 0.96 0.89
RF positive n (%) 21 (78) 16 (59) 0.07
Sex (female/male) 19/8 18/9 1.0
Age (mean ± SD, years) 48.2 ± 13.4 51.8 ± 13.8 0.31
Duration of complaints (mean ± SD, days) 159.9 ± 87.2 179.1 ± 103.5 0.29
Erosions n (%) 5 (19) 5 (19) 1.0
Tender joint count 9.93 ± 7.23 9.00 ± 7.90 0.30
Swollen joint count 6.63 ± 5.31 9.44 ± 6.67 0.02
ESR (mm/hr) 27.6 ± 22.5 26.3 ± 24.1 0.49
CRP (mg/l) 13.3 ± 30.3 11.1 ± 9.93 0.57
RF titer (IU/ml) 163 ± 327 64.3 ± 157 0.01