Table 1 Demographic data of the presymptomatic individuals, rheumatoid arthritis patients and controls included in the study
Presymptomatic individuals (n = 47) | RA patients (n = 36) | Controls (n = 155) | |
|---|---|---|---|
Females (%) | 70.2 | 69.4 | 71.6 |
Median (interquartile range) age (years) | 50.3 (18.7) | 57.1 (7.6) | 50.2 (17.1) |
HLA-DR SEa, n (%) | 28/47 (59.6) | 24/34 (70.6) | 43/105 (41.0) |
Anti-CCP2 antibody-positive, n (%) | 12/47 (25.5) | 21/35 (60.0) | 1/155 (0.6) |