Characteristic | Meet 1987 Criteria, n = 384 (63%) | Meet 2010 Criteria, n = 510 (83%) | Newly Identified by 2010 Criteria, n = 116 (19%) |
---|---|---|---|
DAS28 ≥ 3.2 | 307 (80) | 444 (87) | 94 (81) |
DAS28 > 5.1 | 200 (52) | 240 (47) | 37 (32) |
≥ 6 tender and swollen joints | 238 (62) | 296 (58) | 49 (42) |
MTX-naive at study entry | 119 (31) | 189 (37) | 59 (51) |
Symptoms > 12 weeks | 330 (86) | 134 (85) | 95 (82) |
Elevated CRP or ESR | 265 (69) | 347 (68) | 73 (63) |
DAS: Disease Activity Score; MTX: methotrexate; CRP: C-reactive protein; ESR: erythrocyte sedimentation rate; ACR: American College of Rheumatology; EULAR: European League Against Rheumatism.