Author, year of publication (ref) | Selection | Comparability | Outcome | Total | Overall risk of bias | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|
REC | SNEC | ME | DON | AME | AI | AO | FL | CF | |||
Tassi Yunga, 2018 [34] | * | * | * | * | – | – | * | * | * | 7 | High |
Boudova,, 2017 [40] | * | * | * | * | – | * | * | * | – | 7 | High |
Sylvester, 2016 [41] | * | * | * | * | – | – | * | * | – | 6 | High |
De Beaudrap, 2016 [37] | * | * | * | * | – | * | * | * | * | 8 | High |
Apinjoh, 2015 [36] | * | * | * | * | – | – | * | * | – | 6 | High |
Ndibazza, 2013 [39] | * | * | * | * | – | * | * | * | * | 8 | High |
Borgella, 2013 [18] | * | * | * | * | – | * | * | * | * | 8 | High |
Asante, 2013 [20] | * | * | * | * | * | * | * | * | * | 9 | Medium |
Le Port, 2011 [35] | * | * | * | * | * | * | * | * | * | 9 | Medium |
Schwarz, 2008 [17] | * | * | * | * | – | * | * | * | – | 7 | High |
Mutabingwa, 2005 [21] | * | * | * | * | – | * | * | * | * | 8 | High |