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Table 3 Covariates associated with increased or reduced risk of a new co-morbidity overall during the first five years in simple logistic regression analysis

From: Co-morbidity in patients with early rheumatoid arthritis - inflammation matters

Covariates Odds ratio CI 95 % P value
ESR (T0), mm/h 1.015 1.008, 1.022 <0.001
AUC DAS28 (24 months) 1.008 1.000, 1.016 <0.05
Ex-RA, yes/no 3.247 1.604, 6.574 <0.01
Corticosteroids ever ≤ T5 2.087 1.468, 2.969 <0.001
Biological treatment ever ≤ T5 0.599 0.389, 0.922 <0.05
Smoking, ever (T0) 1.373 0.990, 1.905 0.058
Age at disease onset, years 1.068 1.054, 1.083 <0.001
Sex male/female 1.539 1.118, 2.119 <0.01
Body mass index (T0) 1.034 0.990, 1.080 0.129
Co-morbidity at T0, number 1.459 1.248, 1.704 <0.001
  1. ESR erythrocyte sedimentation rate, T0 baseline, AUC area under the curve, DAS28 disease activity score in 28 joints, Ex-RA extra-articular disease, T5 five years