Table 2 Sensitivity analysis

Mulu et al., 2007 [26]

2.46 (1.77, 3.14)

Abate Assefa., 2014 [19]

2.26 (1.59, 2.93)

Endris et al., 2015 [21]

2.28 (1.62, 2.95)

Melku et al., 2015 [22]

2.26 (1.60, 2.92)

Schonfeld et al., 2017 [27]

2.33 (1.66, 3.01)

Amsalu et al., 2018 [25]

2.17 (1.51, 2.83)

Zinabie et al., 2018 [29]

2.37 (1.69, 3.04)

Ageru et al., 2018 [28]

2.09 (1.59, 2.59)

Biadgo et al., 2019 [20]

2.41 (1.50, 3.33)

Tareke et al., 2019 [23]

2.30 (1.63, 2.97)

Yitbarek et al., 2019 [24]

2.35 (1.68, 3.01)

Mekonnen et al., 2019 [30]

2.45 (1.79, 3.11)

Asfaw et al., 2019 [31]

2.42 (1.75, 3.09)

Combined

2.32 (1.68, 2.97)