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Table 4 The frequencies of risk factors in HCV mono- and HIV/HCV co-infected IDUs

From: Comparison of HCV viral load and its genotype distributions in HCV mono- and HIV/HCV co-infected illicit drug users

Illicit drug usersa HIV/HCV co-infected patients HCV mono-infected patients
With none other risk factor 5 (4.8%) 191 (33%)
IDU + 1 another risk factor 46 (44.2%) 301 (52%)
IDU+ 2 other risk factors 26 (25.0%) 39 (6.7%)
IDU+ 3 other risk factors 8 (7.7%) Not determined
IDU+ 4 other risk factors 13 (12.5%) Not determined
IDU+ more than 4 risk factors 6 (5.8%) Not determined
Totally 104 (100%) 531 (100%)
  1. aAccording to the text, risk factors comprise imprisonment, tattooing, having multiple sex partner and alcohols drinking. All of the cases in the study were drug users with or without injection history with up to 4 risk factors