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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.