Table 3 Studies reporting hepatitis C virus (HCV) prevalence among people who inject drugs (PWID) in Central Asia (CA).

From: The epidemiology of hepatitis C virus in Central Asia: Systematic review, meta-analyses, and meta-regression analyses

Author, year (citation)	Year(s) of data collection	Country of survey	Study site	Study design	Study sampling	Population	Sample size	HCV prevalence (%)^a
Deryabina, 2015⁹³	NS	Kazakhstan	Community	CS	Conv	PWID	300^ǂ	63.0
Zhussupov, 2007⁹⁴	2002	Kazakhstan	Community, NSP clinics	CS	Conv, SBS	PWID	1,426	79.8
Gilbert, 2010⁹⁵	2005–2006	Kazakhstan	NSP clinic	CS	Conv	PWID	80	58.9
El-Bassel, 2014⁹⁶	2009–2012	Kazakhstan	Community, NSP and HIV clinics	RCT^b	Conv, SBS	PWID and non-injecting or injecting partners	600	77.0
El-Bassel, 2014⁹⁷	2009–2012	Kazakhstan	Community, NSP and HIV clinics	RCT^b	Conv, SBS	PWID (females)	194	89.8
El-Bassel, 2013⁹⁸	2009–2012	Kazakhstan	Community, NSP and HIV clinics	RCT^b	Conv, SBS	PWID	580	90.2
Zabransky, 2014⁹⁹	2003	Kazakhstan	Community	CS	Conv	PWID	300^ǂ	57.2
Zabransky, 2014⁹⁹	2004	Kazakhstan	Community	CS	Conv	PWID	300^ǂ	57.2
Zabransky, 2014⁹⁹	2005	Kazakhstan	Community	CS	Conv	PWID	300^ǂ	63.1
Zabransky, 2014⁹⁹	2006	Kazakhstan	Community	CS	Conv	PWID	300^ǂ	52.6
Zabransky, 2014⁹⁹	2007	Kazakhstan	Community	CS	Conv	PWID	300^ǂ	47.6
Zabransky, 2014⁹⁹	2008	Kazakhstan	Community	CS	Conv	PWID	300^ǂ	64.1
Zabransky, 2014⁹⁹	2009	Kazakhstan	Community	CS	Conv	PWID	300^ǂ	60.3
Zabransky, 2014⁹⁹	2010	Kazakhstan	Community	CS	Conv	PWID	300^ǂ	58.7
Zabransky, 2014⁹⁹	2011	Kazakhstan	Community	CS	Conv	PWID	300^ǂ	61.2
Soliev, 2010¹⁰⁰	2009	Kazakhstan	National	CS	Conv	PWID	4,860	60.0
Ganina, 2016¹⁰¹	2013	Kazakhstan	National	CS	Conv	PWID		60.3
Ganina, 2016¹⁰¹	2014	Kazakhstan	National	CS	Conv	PWID	4,414	70.7
Rosenkranz, 2016¹⁰²	2016	Kazakhstan	Narcological Centers and Community	CS	Conv	PWID	600	43.3
Djumagulova, 2016⁸⁵	2013	Kyrgyzstan	National	CS	Conv	PWID	300^ǂ	31.9
Djumagulova, 2016⁸⁵	2014	Kyrgyzstan	National	CS	Conv	PWID	300^ǂ	40.4
Djumagulova, 2016⁸⁵	2015	Kyrgyzstan	National	CS	Conv	PWID	300^ǂ	35.2
Djumagulova, 2016⁸⁵	2004	Kyrgyzstan	National	CS	Conv	PWID	300^ǂ	56.0
Djumagulova, 2016⁸⁵	2005	Kyrgyzstan	National	CS	Conv	PWID	300^ǂ	40.0
Djumagulova, 2016⁸⁵	2006	Kyrgyzstan	National	CS	Conv	PWID	300^ǂ	45.0
Djumagulova, 2016⁸⁵	2007	Kyrgyzstan	National	CS	Conv	PWID	300^ǂ	52.0
Djumagulova, 2016⁸⁵	2008	Kyrgyzstan	National	CS	Conv	PWID	300^ǂ	44.0
Djumagulova, 2016⁸⁵	2009	Kyrgyzstan	National	CS	Conv	PWID	300^ǂ	31.0
Djumagulova, 2016⁸⁵	2010	Kyrgyzstan	National	CS	Conv	PWID	300^ǂ	17.0
Djumagulova, 2016⁸⁵	2011	Kyrgyzstan	National	CS	Conv	PWID	300^ǂ	34.0
Djumagulova, 2016⁸⁵	2012	Kyrgyzstan	National	CS	Conv	PWID	300^ǂ	53.0
Zabransky, 2014⁹⁹	2005	Kyrgyzstan	Community	CS	Conv	PWID	300^ǂ	50.6
Zabransky, 2014⁹⁹	2006	Kyrgyzstan	Community	CS	Conv	PWID	300^ǂ	48.4
Zabransky, 2014⁹⁹	2007	Kyrgyzstan	Community	CS	Conv	PWID	300^ǂ	51.3
Zabransky, 2014⁹⁹	2008	Kyrgyzstan	Community	CS	Conv	PWID	300^ǂ	47.5
Zabransky, 2014⁹⁹	2009	Kyrgyzstan	Community	CS	Conv	PWID	300^ǂ	53.7
Zabransky, 2014⁹⁹	2010	Kyrgyzstan	Community	CS	Conv	PWID	300^ǂ	50.4
Soliev, 2010¹⁰⁰	2009	Kyrgyzstan	National	CS	Conv	PWID	900	54.0
Drew, 2005¹⁰³	2004	Kyrgyzstan	NS	NS	NS	PWID	200	45.0
Drew, 2005¹⁰³	2004	Kyrgyzstan	NS	NS	NS	PWID	265	60.0
Rosenkranz, 2016¹⁰²	2016	Kyrgyzstan	Narcological Centers and Community	CS	Conv	PWID	900	21.2
Asimov, 2015⁴¹	2006–2010	Tajikistan	Community	CS	SRS	PWID	315	40.9
Beyrer, 2008⁴⁴	2004	Tajikistan	Community, NSP clinic	CS	Conv, SBS	PWID	240	67.1
Zabransky, 2014⁹⁹	2005	Tajikistan	Community	CS	Conv	PWID	300^ǂ	43.1
Zabransky, 2014⁹⁹	2006	Tajikistan	Community	CS	Conv	PWID	300^ǂ	45.0
Zabransky, 2014⁹⁹	2007	Tajikistan	Community	CS	Conv	PWID	300^ǂ	31.1
Zabransky, 2014⁹⁹	2008	Tajikistan	Community	CS	Conv	PWID	300^ǂ	29.9
Zabransky, 2014⁹⁹	2009	Tajikistan	Community	CS	Conv	PWID	300^ǂ	32.6
Zabransky, 2014⁹⁹	2010	Tajikistan	Community	CS	Conv	PWID	300^ǂ	27.8
Zabransky, 2014⁹⁹	2011	Tajikistan	Community	CS	Conv	PWID	300^ǂ	24.9
Soliev, 2010¹⁰⁰	2009	Tajikistan	National	CS	Conv	PWID	1,657	33.0
Kurbanov, 2003¹⁰⁴	2001	Uzbekistan	Clinical	CS	Conv	PWID	60	51.7
Ruzibakiev, 2001⁸⁹	1999–2000	Uzbekistan	Community	CS	SRS	PWID	51	62.7
Beyrer, 2008⁴⁴	2004	Uzbekistan	Community, NSP clinic	CS	Conv, SBS	PWID	58	63.8
Zabransky, 2014⁹⁹	2005	Uzbekistan	Community	CS	Conv	PWID	300^ǂ	53.7
Zabransky, 2014⁹⁹	2007	Uzbekistan	Community	CS	Conv	PWID	300^ǂ	35.5
Zabransky, 2014⁹⁹	2009	Uzbekistan	Community	CS	Conv	PWID	300^ǂ	28.5
Zabransky, 2014⁹⁹	2011	Uzbekistan	Community	CS	Conv	PWID	300^ǂ	20.9
Inogamov, 2008¹⁰⁵	2007	Uzbekistan	National	CS	Conv	PWID	3,743	36.0

Abbreviations: Conv, convenience; CS, cross-sectional; NS, not specified; SRS, simple random sampling; PWID, people who inject drugs; RCT, randomized controlled trial; SBS, snowball sampling; NSP, needle and syringe exchange program; HIV, human immunodeficiency virus.
^aPrevalence figures are as reported in the original reports, but rounded to one decimal place, provided the prevalence figure was over 1%.
^bIn randomized controlled trials the extracted HCV prevalence measure was the cross-sectional baseline HCV prevalence measure.
^ǂStudy did not report sample size. The included sample size was imputed based on the median sample size of all studies that reported a sample size.

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Table 3 Studies reporting hepatitis C virus (HCV) prevalence among people who inject drugs (PWID) in Central Asia (CA).

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