Seroprevalence of hepatitis E in adults in Brazil: a systematic review and meta-analysis

Table 1 Overall characteristics of the studies selected for the review

Author	Publication year	State	Type of patient cohort	Sample size	Positive anti-HEV antibodies	Mean age	Proportion of male (%)	Commercial kit used to diagnose anti-HEV	Quality score
de Oliveira [41]	2018	Goias	Kidney transplantation	316	8	46.4	55.1	Mikrogen	8
Ferreira [42]	2018	São Paulo	HIV	93	6	48	51.6	Mikrogen	7
Bricks [43]	2018	São Paulo	Hepatitis C	585	58	53.8	53	Wantai	6
Passos-Castilho [44]	2017	São Paulo	Blood donors	500	49	38.8	49	Wantai	7
Passos-Castilho [12]	2016	Santa Catarina	Blood donors	300	30	33.2	62.7	Wantai	7
Martins [45]	2014	Goias	Waste recyclers	431	22	36.9	37.6	Mikrogen	7
Bortoliero [46]	2006	Parana	Blood donors	996	23	29.9	NA	Abbott	8
Santos [47]	2002	Rio de Janeiro	General population	530	16	NA	NA	Abbott	5
Kiesslich [11]	2002	Amazonas	Blood donors	227	1	NA	81.0	Abbott	5
Kiesslich [11]	2002	Amazonas	Pregnant women	100	0	NA	0	Abbott	5
Kiesslich [11]	2002	Amazonas	Hemodialysis	192	1	NA	60.4	Abbott	5
Trinta [13]	2001	Rio de Janeiro	Blood donors	93	4	34.6	100	Abbott	5
Trinta [13]	2001	Rio de Janeiro	Pregnant women	304	3	23.5	0	Abbott	4
Trinta [13]	2001	Rio de Janeiro	General population	145	3	31.3	52.4	Abbott	4
Trinta [13]	2001	Rio de Janeiro	Hemodialysis	65	4	65.1	47.7	Abbott	4
Gonçales [48]	2000	São Paulo	Blood donors	205	16	NA	NA	Abbott	4
Focaccia [38]	1998	São Paulo	General population	694	16	NA	NA	Abbott	6
Parana [15]	1997	Bahia	Blood donors	200	4	39	90.5	Abbott	5
Parana [15]	1997	Bahia	Hemodialysis	392	0	43	62.3	Abbott	5
Pang [49]	1995	Mato Grosso	General population	97	6	NA	NA	Genelabs Inc.	5