Prevalence of hepatitis-D virus in hepatitis B surface antigen-positive patients of India: A meta-analysis (research on behalf of ESGVH)

Table 1 Characteristics of the included studies[18,27,31-58]

Serial No.	Article title	Year of publication	Positive	Total sample tested	Positivity (%)	Ref.
1	A Hospital-based Retrospective Study on Frequency and Distribution of Viral Hepatitis	2014	0	818	0.00	Antony and Celine[31]
2	A study of hepatitis delta virus infection in patients with acute and chronic liver disease from northern India	1995	29	204	14.22	Singh et al[32]
3	Aetiology, clinical course and outcome of sporadic acute viral hepatitis in pregnancy	2003	6	413	1.45	Khuroo and Kamili[33]
4	An epidemic of hepatitis D in the foothills of the Himalayas in south Kashmir	1998	22	24	91.67	Khuroo et al[34]
5	Seroepidemiology of hepatitis delta virus infection in Pune, India	1992	6	235	2.55	Arankalle et al[35]
6	Delta virus infection in cirrhotics in a north Indian hospital	1993	4	40	10.00	Gupta et al[36]
7	Delta virus infections in and around Chandigarh, northern India: Evidence for endemicity	1987	11	81	13.50	Pal and Prasad[37]
8	Prevalence of hepatitis D virus infection among hepatitis B virus-infected individuals in India	2015	0	318	0.00	Jat et al[18]
9	Frequency of hepatitis B, C and D and human immunodeficiency virus infections in multi-transfused thalassemics	1992	9	18	50.00	Amarapurkar et al[38]
10	Hepatitis B and delta viruses in fulminant hepatitis	1990	20	32	62.50	Desai and Banker[39]
11	Hepatitis D infectivity profile among hepatitis B infected hospitalised patients in Calcutta	1998	2	60	3.33	Bhattacharyya et al[40]
12	Hepatitis delta virus infection among the tribes of the Andaman and Nicobar Islands, India	2005	8	170	4.71	Murhekar et al[41]
13	Hepatitis delta virus infection in Bombay	1992	124	331	37.46	Banker et al[42]
14	High prevalence of hepatitis delta virus among patients with chronic hepatitis B virus infection and HIV-1 in an intermediate hepatitis B virus endemic region	2014	22	450	4.89	Saravanan et al[43]
15	Low prevalence of hepatitis D (delta) virus infection in a nephrology unit in south India	1991	0	150	0.00	Thomas et al[44]
16	Magnitude and pattern of hepatitis B infection in clinically suspected infectious hepatitis at a tertiary care hospital in urban India	2014	4	24	16.67	Rajani and Jais[45]
17	Presence of acute hepatitis D infection in HBsAg positive cancer patients: A preliminary study from west Gujarat	2016	0	150	0.00	Patel and Goswami[46]
18	Prevalence of delta virus infection in high risk population and hepatitis B virus related liver diseases	1992	1	120	0.83	Amarapurkar et al[47]
19	Delta-hepatitis	1995	13	100	13.00	Ghuman and Kaur[48]
20	Prevalence of Hepatitis B & D Coinfection in Acute Active Viral Hepatitis in a Tertiary Care Hospital	2021	1	257	0.39	Nisar et al[49]
21	Prevalence of Hepatitis D virus antibodies in Hepatitis B patients treated at tertiary care unit at Jabalpur Central India	2021	8	372	2.15	Sonkar et al[50]
22	Prevalence of Hepatitis Delta Virus Infection among Hepatitis B Virus-Infected and Exposed Patients	2020	1	120	0.83	Ramachandran et al[27]
23	Prevalence of hepatitis viruses among chronic renal failure patients on hemodialysis in central India	2001	1	102	0.98	Jaiswal et al[51]
24	Prevalence of parenterally transmitted hepatitis viruses in clinically diagnosed cases of hepatitis	2005	1	28	3.57	Arora et al[52]
25	Profile of hepatitis B virus, hepatitis C virus, hepatitis d virus and human immunodeficiency virus infections in hemodialysis patients of a tertiary care hospital in uttarakhand	2013	1	12	8.33	Mittal et al[53]
26	Role of molecular techniques in the detection of HBV DNA & HCV RNA among renal transplant recipients in India	2000	2	13	15.38	Radhakrishnan et al[54]
27	Seroprevalence of HCV and its co-infection with HBV and HIV among liver disease patients of South Tamil Nadu	2010	12	512	2.34	Anbazhagan et al[55]
28	Seroprevalence of hepatitis D virus in patients with hepatitis B virus-related liver diseases	2005	26	123	21.14	Chakraborty et al[56]
29	Seroprevalence of hepatitis delta virus infection among subjects with underlying hepatic diseases in Chennai, southern India	2008	18	153	11.76	Saravanan et al[57]
30	Status of hepatitis viral markers in patients with acute and chronic liver diseases in northern India	1994	16	240	6.67	Irshad and Acharya[58]

HBV: Hepatitis B virus; HCV: Hepatitis C virus; HIV: Human immunodeficiency virus.