Table 2.
Schistosoma mansoni studies included in the meta-analysis
| First author (Published year) [reference no.] | Study year | Population investigated (n) | No. infected humans (prevalence, %) | Examined snail Species (n) | No. infected snails (prevalence, %) | Location | Sampling approach | JBI score |
|---|---|---|---|---|---|---|---|---|
| Ibikounle et al. (2009) [58] | 2003–2006 |
Others (35) |
26 (74.3) |
Biomphalaria pfeifferi (357) |
200 (56.0) |
Benin | Longitudinal | 8 |
| Léger et al. (2020) [c] [63] | 2016–2018 |
Others (671) |
80 (11.9) |
Bi. pfeifferi (407) |
9 (2.2) |
Senegal | Longitudinal | 9 |
| Traquinho et al. (1998)[c] [80] | 1995 |
Students (994) |
5 (0.5) |
Biomphalaria spp. (31) |
19 (61.3) |
Mozambique | Cross-sectional | 9 |
| Dabo et al. (2015)[c] [50] | 2011–2012 |
Students (1491) |
22 (1.5) |
Bi. pfeifferi (189) |
2 (1.1) |
Mali | Longitudinal | 9 |
| Anyan et al. (2019)[c] [42] | 2012–2013 |
Students (383) |
222 (58.0) |
Bi. pfeifferi (780) |
14 (1.8) |
Ghana | Cross-sectional | 9 |
| Chimbari et al. (2003)[c] [49] | 2001–2002 |
Others (464) |
32 (6.9) |
Bi. pfeifferi (42) |
2 (4.8) |
Zimbabwe | Longitudinal | 9 |
| Alebie et al. (2014) [38] | 2013 |
Students (384) |
293 (76.3) |
Bi. pfeifferi (375) |
32 (8.5) |
Ethiopia | Cross-sectional | 9 |
| Amsalu et al. (2015) [39] | 2010 |
Students (384) |
172 (44.8) |
Bio. pfeifferi (31) |
1 (3.2) |
Ethiopia | Cross-sectional | 9 |
| Mengistu et al. (2011) [68] | 2007 |
Community (517) |
136 (26.3) |
Biomphalaria spp. (560) |
325 (58.0) |
Ethiopia | Cross-sectional | 9 |
| Calasans et al. (2018) [46] | 2013–2014 |
Community (232) |
7 (3.0) |
Bi. glabrata (10,270) |
912 (8.9) |
Brazil | Longitudinal | 9 |
| Mekonnen et al. (2012) [66] | 2011 |
Students (403) |
106 (26.3) |
Bi. pfeifferi (80) |
2 (2.5) |
Ethiopia | Cross-sectional | 9 |
| Zongo et al. (2012)[c] [83] | 2009–2010 |
Students (203) |
36 (17.7) |
Bi. pfeifferi (64) |
4 (6.3) |
Burkina Faso | Cross-sectional | 9 |
| Guerra et al. (1991) [57] | 1988 |
Community (162) |
91 (56.2) |
Bi. glabrata (356) |
30 (8.4) |
Brazil | Cross-sectional | 8 |
| Gryseels et al. (1991) [56] | 1982 |
Community (23,955) |
6,017 (25.1) |
Bi. pfeifferi (29,199) |
249 (0.9) |
Burundi | Longitudinal | 9 |
| Massara et al. (2004) [64] | 2001–2003 |
Students (1186) |
101 (8.5) |
Bi. glabrata (2733) |
17 (0.6) |
Brazil | Cross-sectional | 9 |
| Krauth et al. (2017)[c] [62] | 2014–2015 |
Community (743) |
7 (1.0) |
Bi. pfeifferi (43) |
0 (0.0) |
Côte d’Ivoire | Cross-sectional | 9 |
| Assaré et al. (2020)[c] [44] | 2016 |
Students (274) |
26 (9.5) |
Bi. pfeifferi (92) |
0 (0.0) |
Côte d’Ivoire | Cross-sectional | 9 |
| Bekana et al. (2022) [45] | 2018–2019 |
Students (492) |
363 (73.8) |
Bi. pfeifferi (1463) |
357 (24.4) |
Ethiopia | Cross-sectional | 9 |
| Gomes et al. (2022) [d] [55] | 2000 |
Community (2012) |
653 (32.5) |
Bi. glabrata (2214) |
357 (16.1) |
Brazil | Cross-sectional | 9 |
| Gomes et al. (2022) [e] [55] | 2010 |
Community (2459) |
409 (16.6) |
Bi. glabrata (4707) |
272 (5.8) |
Brazil | Cross-sectional | 9 |
| Gomes et al. (2022) [f] [55] | 2020 |
Community (2028) |
179 (8.8) |
Bi. glabrata (1607) |
115 (7.2) |
Brazil | Cross-sectional | 9 |
| Tamir et al. (2022) [77] | 2021 |
Students (421) |
20 (4.8) |
Bi. pfeifferi (27) |
2 (7.4) |
Ethiopia | Cross-sectional | 9 |
| Meleko et al. (2022) [67] | 2021 |
Community (206) |
41 (19.9) |
Bi. pfeifferi, Bi. sudanica (505) |
66 (13.1) |
Ethiopia | Cross-sectional | 9 |
JBI = Joanna Briggs Institute. [c] represents S. mansoni results published in articles that also show S. haematobium results; [d], [e] and [f] represent studies carried out in different regions of a country but published in one article