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Table 5 Factors related to HCV and HBV infections assessed by HCV RNA and HBsAg

From: Prevalence and characterization of hepatitis B and C virus infections in a needle-sharing population in Northern China

  HCV RNA and HBsAg   Statistics P Multiple comparisons
Both positive (1) Positive HCV RNA (2) Positive HBsAg (3) Both negative (4) 1&2 1&3 1&4
  (n = 12) (n = 215) (n = 79) (n = 546)      
Sex (male/female) 9/3 138/77 36/43 196/350 χ2 = 54.658 <0.001 0.547 0.057 0.011
Age (years) 57.17 ± 7.88 56.13 ± 9.23 49.30 ± 9.78 49.72 ± 13.41 F = 16.129 <0.001 0.998 0.036 0.042
No. of injections (median) 27.5 25 0 0 χ2 = 410.937 <0.001 0.902 <0.001 <0.001
Time from first injection (years, median) 29.5 27 0 0 χ2 = 247.583 <0.001 0.515 <0.001 <0.001
Anti-HBc S/CO ratio 0.006 0.10 0.006 0.28 χ2 = 105.000 <0.001 0.014 0.923 <0.001