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Table 3 Risk of radiographic progression: multivariate regression analysis

From: Self-reported flares are predictors of radiographic progression in rheumatoid arthritis patients in 28-joint disease activity score remission: a 24-month observational study

   Model I Model II Model III
Overall flares Self-reported flares Short flares
   OR (95 % CI) P value OR (95 % CI) P value OR (95 % CI) P value
Number   149 149 149
Age (per 10-year increase) 1.10 (0.67, 1.82) 0.70 1.16 (0.71, 1.89) 0.55 1.09 (0.67, 1.78) 0.72
TSS progression per year before baseline (per unit) 1.12 (1.03, 1.23) 0.01 1.02 (1.02, 1.21) 0.02 1.10 (1.01, 1.20) 0.02
Baseline HAQ (per unit) 5.32 (1.05, 26.99) 0.04 5.07 (1.08, 23.79) 0.04 4.66 (0.98, 22.25) 0.05
CRP change at 24 months (per increasing quartile) 1.60 (0.87, 2.92) 0.13 1.66 (0.92, 3.01) 0.09 1.65 (0.92, 2.97) 0.09
Patient-VAS change at 24 months (per 10-unit increase) 2.08 (1.14, 3.81) 0.02 2.06 (1.14, 3.72) 0.02 2.28 (1.29, 4.01) 0.04
OF (per unit) 3.27 (1.30, 8.22) 0.01
SRF (per unit) 3.63 (1.16, 11.36) 0.03
SF (per unit) 2.78 (0.70, 11.10) 0.15
  1. OF overall flares, SRF self-reported flares, SF short flares, TSS total Sharp score, HAQ health assessment questionnaire, CRP C-reactive protein, Patient-VAS patient’s global health measured on a visual analog scale