Table 1 Demographic and clinical characteristics of RA patients (VERA, ERA and LSRA) at the study entry
From: Memory B cell subsets and plasmablasts are lower in early than in long-standing Rheumatoid Arthritis
Variables | VERA | ERA | LSRA |
|---|---|---|---|
N. | 25 | 43 | 54 |
Age, years | 57.5 ± 13.0 | 50.4 ± 14.9 | 53.0 ± 13.7 |
Sex, n. female, (%) | 21 (84.0) | 38 (88.4) | 45 (86.5) |
ESR, mm/1^hour | 51.4 ± 33.7 | 39.1 ± 28.6 | 39.6 ± 23.8 |
CRP, mg/l | 29.9 ± 45.5 | 16.2 ± 25.3 | 20.3 ± 28.0 |
DAS | 3.7 ± 1.1 | 3.3 ± 1.0 | 3.7 ± 1.4 |
ACPA positivity, n. (%) | 12 (48.0) | 28 (65.1) | 37 (72.5) |
RF-IgM positivity, n. (%) | 12 (48.0) | 25 (58.1) | 28 (54.9) |
RF-IgA positivity, n. (%) | 7 (28.0) | 17 (39.5) | 16 (31.4) |