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Table 3 Risk factor associated with the initial prevalence of HCV seropositivity at the six hemodialysis clinics

From: Infection by the hepatitis C virus in chronic renal failure patients undergoing hemodialysis in Mato Grosso state, central Brazil: a cohort study

Risk Factors N (%) Anti-HCV + (%) OR* adjusted (CI95%) p
Duration HD*     
   Up to 4 years 278 (64.2) 9 (3.2) 1 -
   Over 4 years 155 (35.8) 64 (41.3) 21.5 (9.7–47.6) 0.000
No. transfusions     
   1 – 2 150 (41.2) 20 (13.3) 1 -
   3 – 6 127 (34.9) 23 (18.1) 3.8 (0.9–15.8) 0.068
   > 6 87 (23.9) 27 (31.0) 4.4 (1.0–18.6) 0.045
Clinic groups     
   A (4,5,6) 222 (51.3) 21 (9.4) 1 -
   B (1,2,3) 211 (48.7) 52 (24.6) 4.9 (2.5–9.6) 0.000
  1. *OR = odds ratio. ** Duration HD: duration of hemodialysis treatment. Multivariate analysis adjusted by transfusion, age group, and gender.