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Table 2 Univariate and multivariate linear regression analysis for predicting coronary artery calcium score in RA patients

From: Cardiovascular disease risk calculators to reflect the subclinical atherosclerosis of coronary artery in rheumatoid arthritis: a pilot study

  Univariate Multivariate
β 95% CI P β 95% CI P
Age 5.67 0.63, 10.71 0.028 −1.31 −7.09, 4.48 0.652
Male gender 68.53 −58.56, 195.63 0.284    
BMI −2.89 −15.94, 10.16 0.658    
Disease duration (years) 1.40 − 5.88, 8.68 0.701    
Hypertension 80.00 −40.64, 200.63 0.189    
Diabetes mellitus 247.17 70.53, 423.80 0.007 152.61 −10.80, 316.03 0.067
Dyslipidemia −69.67 −184.60, 45.26 0.229    
Current smoker 91.26 −47.89, 230.41 0.194    
Premature angina or heart attack in a 1st degree relative −69.28 − 359.58, 221.01 0.634    
Oral glucocorticoid 91.34 −26.27, 208.95 0.125    
ERS-RA 10.87 6.02, 15.72 < 0.001 10.01 3.78, 16.23 0.002
DAS28-ESR 37.55 1.16, 73.94 0.043 25.11 −6.24, 56.45 0.114
  1. BMI Body mass index, ERS-RA Expanded Cardiovascular Risk Prediction Score for Rheumatoid Arthritis, CI Confidence interval, DAS28 Disease activity score-28
  2. * All variables yielding P value under 0.05 in univariate regression analysis were included in multivariate analysis