Table 2

Change between baseline and 18 months of ACR core-set variables and imaging outcomes, mean (SD)

Control
n=57
Intervention
n=54
Difference (95% CI)p Value
Primary outcomes
 DAS44−2.6 (1.6)−2.7 (1.4)−0.1 (−0.7, 0.5)0.72
 RAMRIS Erosions—median (IQR)1.0 (0.0, 2.0)0.5 (0.0, 1.0)0.3 (−0.5, 1.0)*0.33†
Secondary outcomes
Clinical
 HAQ−0.8 (0.7)−1.0 (0.8)−0.2 (−0.5, 0.1)0.14
 44 Swollen joint count−9 (7)−8 (5)0.4 (−2, 3)0.76
 Ritchie articular index−16 (14)−14 (12)1.6 (−3, 7)0.53
 ESR—mm/h−20 (26)−20 (25)0.6 (−9, 11)0.91
 CRP—mg/L−29 (60)−30 (41)0.6 (−20, 20)0.95
 Patient global Health—100 mmVAS−40 (35)−43 (29)3.0 (−16, 10)0.63
 Pain—100 mm VAS−34 (32)−32 (27)2 (−9, 14)0.74
 Physician Global—Likert−1.7 (0.9)−1.9 (0.8)−0.2 (−0.5, 0.1)0.20
  EuroQoL5D-3L Index0.32 (0.33)0.50 (0.37)0.17 (0.04, 0.31)0.01
Imaging
MRI RAMRIS score
 Erosions—median (IQR)1.0 (0.0, 2.0)0.5 (0.0, 1.0)0.3 (−0.5, 1.0)*0.33†
 Synovitis—median (IQR)−2.3 (−10.3, 0.5)−5.5 (−8.5, −2.0)1.5 (−1.5, 4.5)*0.33†
 Osteitis—median (IQR)−0.5 (−3.0, 0.0)−1.0 (−3.5, 0.5)0.3 (−1.0, 1.5)*0.92†
Modified sharp score
 Erosions—median (IQR)0.5 (0.0, 1.0)0.0 (0.0, 0.5)−0.3 (−0.5, 0.0)*0.07†
 Joint space narrowing—median (IQR)0.0 (0.0, 0.0)0.0 (0.0, 0.0)0.0 (0.0, 0.0)*0.66†
 Total score—median (IQR)0.5 (0.0, 1.5)0.0 (0.0, 1.0)0.3 (−0.5, 0.0)*0.17†
Number of DMARDs/biologics
 6 months—median (IQR)1 (1–3)3 (1–3)0.011†
 12 months—median (IQR)2 (1–3)3 (2–3)0.019†
 18 months—median (IQR)2 (1–3)3 (2–3)0.021†
  • *Hodges–Lehmann's median methods.

  • †Wilcoxon–Mann–Whitney U test.

  • CRP, C reactive protein; DAS44, 44 joint disease activity score; DMARDs, disease-modifying antirheumatic drugs; ESR, erythrocyte sedimentation rate; HAQ, Health Assessment Questionnaire; VAS, visual analogue score.