Study | Selection (maximum of five stars) | Comparability (maximum two stars) | Outcome assessment (maximum of three stars) | Overall quality |
Andargie and Addisse12 | *** | * | ** | 6 |
Abajebel et al13 | *** | – | *** | 6 |
Mengistu et al14 | ***** | * | *** | 9 |
Asemahagn and Lee15 | **** | * | *** | 8 |
Kondoro et al16 | **** | * | *** | 8 |
Adane et al17 | **** | * | *** | 8 |
Shiferaw et al18 | ***** | * | *** | 9 |
Chanyalew et al19 | ***** | * | *** | 9 |
Seid et al20 | ***** | * | *** | 9 |
Teklegiorgis et al21 | **** | * | ** | 7 |
Emiru et al22 | **** | * | ** | 7 |
Kanfe et al23 | **** | * | ** | 7 |
Mekuria et al24 | ***** | * | ** | 8 |
Yarinbab and Assefa25 | **** | * | ** | 7 |
Ngusie et al26 | ***** | * | *** | 9 |
Wude et al27 | ***** | * | *** | 9 |
Abdisa et al28 | ***** | * | ** | 8 |
Tadesse et al37 | **** | * | ** | 9 |
Belay et al43 | ***** | * | *** | 9 |
Sako et al44 | ***** | * | ** | 8 |
Dagnew et al30 | ***** | * | *** | 9 |
Abera et al31 | **** | * | *** | 8 |
Tulu et al29 | ***** | * | *** | 9 |