Hepatitis D virus dual-infection among Chinese hepatitis B patient related to hepatitis B surface antigen, hepatitis B virus DNA and age

Table 1 Differences in the positive rate of hepatitis D virus between gender

	Male			Female
	+/total	%	95%CI	+/total	%	95%CI
Anti-HDAg screening positive rate among hepatitis B patients	125/3293	3.8	3.2-4.5	78/2301	3.4	2.7-4.2
HDV RNA screening positive rate among hepatitis B patients	39/3293	1.2	0.8-1.6	26/2301	1.1	0.7-1.7
HDV RNA positive rate among anti-HDAg positive patients	39/125	31.2	23.2-40.1	26/78	33.3	23.1-44.9

HDAg: Hepatitis D antigen; HBV: Hepatitis B virus; HDV: Hepatitis D virus; 95%CI: 95% confidence interval.