Figure 2From: Prevalence and characterization of hepatitis B and C virus infections in a needle-sharing population in Northern ChinaPercentages of various positive HCV/HBV markers at different injection times. (Trend tests: P < 0.001 between anti-HCV, HCV RNA, and anti-HBc and number of injections, respectively; P = 0.347 between HBsAg and injection times).Back to article page