Table 3

Simple linear regression analysis to determine influence of baseline factors on damage outcomes (RA patients)
Outcome = three-year MRI cartilage score
Parameter Estimate SE t Pr > |t| R2
RA duration (years) 0.04 0.01 4.38 0.0002 0.42
Sex F (ref = M) −1.67 3.26 −0.51 0.61 0.01
Age 0.13 0.11 1.22 0.23 0.05
DAS28CRP 2.39 1.52 1.57 0.1282 0.09
Anti-CCP positive 0.00 0.02 0.25 0.8056 0.00
HAQ 3.06 2.28 1.34 0.1913 0.06
MRI cartilage score 0.77 0.11 7.32 <.0001 0.67
MRI erosion score 0.52 0.11 4.77 <.0001 0.47
MRI bone oedema score 0.67 0.16 4.11 0.0004 0.39
MRI synovitis score 3.04 0.78 3.90 0.0006 0.37
Outcome = 3 year MRI erosion score
RA duration (years) 0.06 0.01 5.62 <.0001 0.55
Sex F (ref = M) -2.89 4.32 -0.67 0.50 0.02
Age 0.35 0.13 2.71 0.01 0.22
DAS28CRP 0.21 2.11 0.10 0.92 0.00
Anti-CCP positive -0.03 0.02 -1.41 0.17 0.07
HAQ 1.96 3.11 0.63 0.53 0.02
MRI cartilage score 0.88 0.18 4.98 <.0001 0.49
MRI erosion score 0.95 0.07 13.15 <.0001 0.87
MRI bone oedema score 1.20 0.15 7.98 <.0001 0.71
MRI synovitis score 5.34 0.78 6.85 <.0001 0.64

DAS28, Disease Activity Score 28; CCP, cyclic citrullinated peptide; CRP, C-reactive protein; HAQ, health assessment questionnaire; RA, rheumatoid arthritis.

McQueen et al.

McQueen et al. Arthritis Research & Therapy 2014 16:R33   doi:10.1186/ar4462

Open Data