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Table 3 Cox regression model to estimate the influence of the CCR5Δ32 polymorphism in the risk of cardiovascular disease in patients with rheumatoid arthritisa

From: CCR5Δ32 variant and cardiovascular disease in patients with rheumatoid arthritis: a cohort study

Patient group characteristics P value HR (95% CI) P valueb HR (95% CI)b
Carriers vs. noncarriersc 0.14 0.42 (0.13 to 1.33) 0.14 0.42 (0.13 to 1.33)
Carriers vs. noncarriersd 0.078 0.35 (0.11 to 1.12) 0.097 0.37 (0.12 to 1.19)
  1. aHR (95% CI): hazard ratio with 95% confidence interval. bAnalyses adjusted for gender, age at rheumatoid arthritis (RA) diagnosis, presence or absence of shared epitope, rheumatoid factor, hypertension, diabetes, dyslipidemia, obesity and smoking habit. cUsing as survival time the patient's age at the time of the first cardiovascular event, patient's death, loss of follow-up or 1 December 2009. dUsing as survival time the elapsed time between RA diagnosis and the time of the first cardiovascular event, the patient's death, loss of follow-up or 1 December 2009.