TableĀ 1

Baseline characteristics for patients with MRI assessments at baseline and month 12

CharacteristicAbatacept plus MTX (n=91)Abatacept monotherapy (n=81)MTX (n=84)
Synovitis score5.6 (4.2)5.3 (3.8)5.7 (4.2)
Osteitis score4.4 (6.9)4.3 (6.7)3.4 (6.4)
Erosion score7.2 (7.0)5.1 (4.7)6.3 (7.8)
Symptom duration, years0.6 (0.5)0.6 (0.5)0.5 (0.5)
DAS28 (CRP)5.5 (1.3)5.5 (1.2)5.3 (1.3)
HAQ-DI1.5 (0.7)1.4 (0.6)1.4 (0.6)
Tender Joint Count (28 joints)13.8 (7.8)14.3 (7.7)12.5 (7.7)
Swollen Joint Count (28 joints)11.2 (7.1)12.4 (7.6)10.2 (6.9)
CRP, mg/L17.5 (23.2)16.6 (25.6)16.0 (21.2)
  • Data are presented as mean (SD).

  • CRP, C reactive protein; DAS, Disease Activity Score; HAQ-DI, Health Assessment Questionnaire-Disability Index; MTX, methotrexate.