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Table 1 Characteristics of participants in relation to intravenous injection behavior

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

Factor Injection Non-injection Statistics Pvalue
  n = 425 n = 427   
Age (years) 56.87 ± 9.23 45.96 ± 12.77 Z = −12.95 <0.001
Sex (male/female) 299/126 80/347 χ2 = 229.801 <0.001
Positive anti-HCV, n (%) 295 (69.4) 21 (4.9) χ2 = 379.699 <0.001
Positive HCV RNA, n (%) 222 (52.2) 5 (1.2) χ2 = 284.175 <0.001
Positive anti-HBc, n (%) 334 (78.6) 243 (56.9) χ2 = 45.798 <0.001
Positive HBsAg, n (%) 44 (10.4) 47 (11.0) χ2 = 0.096 0.757
Positive anti-HCV and anti-HBc, n (%) 242 (56.9) 14 (3.3) χ2 = 291.818 <0.001
Positive HCV RNA and HBsAg, n (%) 12 (2.8) 0 (0) χ2 = 12.229 <0.001