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Table 2 Baseline predictors for time-to-DAS remission (n = 753)

From: Time to achieve remission determines time to be in remission

  Univariate1 Multivariate2
Variable Beta (β) P value HR (95%CI) Beta (β) P value HR (95%CI)
RF positive 0.114 0.328 1.121 (0.892-1.408)    
Male gender -0.641 0.000 0.527 (0.433-0.641) -0.511 0.000 0.600 (0.469-0.767)
Age -0.009 0.008 0.991 (0.984-0.998) -0.007 0.047 0.993 (0.986-0.999)
Baseline DAS -0.364 0.000 0.695 (0.635-0.760) -0.693 0.000 0.500 (0.434-0.576)
Baseline HAQ -0.436 0.000 0.647 (0.529-0.791)    
Dis duration -0.005 0.217 0.995 (0.987-1.003)    
44 SJC -0.018 0.007 0.982 (0.969-0.995)    
53 TJC -0.057 0.000 0.945 (0.932-0.958)    
ESR -0.004 0.048 0.996 (0.992-0.999)    
VAS GH -0.017 0.000 0.983 (0.978-0.987)    
  1. 1 Results of univariate Cox proportional hazard models with baseline predictors for time-to-DAS remission (disease activity score, DAS<1.6) up to three years of follow-up, given with hazard ratios (HR) and 95% confidence intervals (95%CI). 2 Results of the final multivariate Cox proportional hazard prediction model with independent baseline predictors for the time-to-remission (disease activity score, DAS<1.6) up to three years of follow-up, given with hazard ratios (HR) and 95% confidence intervals (95%CI).
  2. RF = rheumatoid factor; DAS = disease activity score based on 53 tender joint counts (TJC) and 44 swollen joint counts (SJC); HAQ = health assessment questionnaire; Dis = disease; ESR = erythrocyte sedimentation rate; VAS = visual analogue scale; GH = general health. Age was measured in years and disease duration in weeks.
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