Genotypic distribution and hepatic fibrosis among HIV/HCV co-infected individuals in Southern China: a retrospective cross-sectional study.

These differences in genotype distribution were highly significant statistically in univariate analysis for genotype 1b ( p <0.001), 3a ( p = 0.002), and 6a ( p < 0.001).

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Second, there may be significant selection bias present in our analysis due to 1) missing demographic data from the mono-infected cohort and 2) lack of matching between the mono-infected and co-infected cohorts.

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