Factors influencing a low rate of hepatitis C viral RNA clearance in heroin users from Southern China

Table 3 HCV RNA clearance rates among previously published cohort studies

			HCV RNA
Principal investigator	Cohort	Number tested	Clearance rate (%)	Percent HIV Ab+	Percent HBsAg+
This study	Chinese IDU	347	8.71	25.9%	13.3%
Thomas[3]	African
	American IDU	729	9.3
	Non-African
	American IDU	44	36.0
	Overall	773	10.91	45.7%	3.5%
Alric[5]	Caucasian
	French	123	251	ND	ND
Minton[6]	Caucasian
	English	172	20.31	ND	ND
Yee[7]	English
	Hemophiliacs	200	141	40.3%	ND
Alter[8]	American blood
	Donors	248	142	ND	ND
	(42% IDU)
Kenny-Walsh[9]	Irish women	704	44.62	ND	ND
Alter[10]	Non-Hispanic
	African
	American	196	14.0
	Non-Hispanic
	Caucasian	119	32.0
	Hispanic
	Americans	132	26.0
	NHANES
	Overall	447	26.12	ND	ND
Sagnelli[11]	Italian liver
	Patients	336	21.73	ND	28%

¹HCV RNA by Roche AMPLICOR HCV Qualitative Assay-Sensitivity > 50 IU/mL;

²HCV RNA by In-house RT-PCR- Sensitivity Unknown;

³HCV RNA by HEPA-Check C - Sensitivity Unknown; HCV: Hepatitis C virus; IDU: Injection drug user; HIV: Human immunodeficiency virus 1; HBsAg: HBV surface antigen; ND: Not determined.