Table 1.
NHS | NHSII | |
---|---|---|
N=76 | N=11 | |
Time from blood draw until RA diagnosis, years (± SD) | 6.2 (3.5) | 1.9 (0.6) |
Anti-CCP antibody positive at blood draw, (%) | 21 (27.6) | 4 (36.4) |
HLA-DRB1 shared-epitope positive*, (%) | 54 (71.1) | 6 (54.5) |
Age at diagnosis, years (±SD) | 62.6 (8.2) | 46.0 (5.5) |
Number of ACR criteria at diagnosis, (±SD) | 4.5 (0.8) | 4.2 (0.6) |
Rheumatoid factor present at RA diagnosis, (%) | 42 (55.3) | 5 (45.5) |
Radiographic erosions present at RA diagnosis, (%) | 17 (22.4) | 2 (18.2) |
Rheumatoid nodules present at RA diagnosis, (%) | 10 (13.2) | 0 (0) |
Hand arthritis at diagnosis, (%) | 75 (99) | 11 (100) |
one or more shared-epitope copies