Table 6 Sensitivity analysis of the included studies

1

Alebachew et al., 2012 (24)

14.89

11.89, 17.89

2

Tadesse S., 2014 (25)

13.72

10.86, 16.59

3

Negussie et al., 2015 (26)

14.49

11.54, 17.45

4

Dilnessa et al., 2016 (27)

15.07

12.01, 18.12

5

Dilnessa & Bitew, 2016 (28)

15.02

11.98, 18.07

6

Atlaw et al., 2022 (29)

14.01

11.11, 16.92

7

Gebremariam et al., 2022 (30)

15.51

12.30, 18.72

8

Kahsay et al., 2014 (31)

15.05

12.02, 18.08

9

Shibabaw et al., 2014 (32)

14.16

11.23, 17.09

10

Denboba et al., 2016 (33)

13.49

10.66, 16.32

11

Abebe M et al., 2019 (34)

14.59

11.62, 17.56

12

Gobena A, 2019 (35)

14.37

11.42, 17.33

13

Abosse et al., 2020 (36)

14.69

11.72, 17.68

14

Tefera et al., 2021 (37)

13.96

11.05, 16.86

15

Jemal et al., 2021 (38)

14.89

11.89, 17.91

16

Getaneh et al., 2021 (39)

14.95

11.94, 17.96

17

Abebe W et al., 2021 (40)

15.13

12.06, 18.21

18

Abrha et al., 2011 (41)

14.37

11.44, 17.30

19

Wubshet et al., 2012 (42)

15.70

12.40, 19.00

20

Kejela & Bacha, 2013 (43)

15.23

12.14, 18.32

21

Godebo et al., 2013 (44)

14.43

11.47, 17.38

22

Tesfaye et al., 2013 (45)

14.44

11.49, 17.40

23

Beyene et al., 2019 (46)

14.86

11.86, 17.86

24

Sorsa et al., 2019 (47)

14.40

11.45, 17.35

25

Kejela et al., 2022 (48)

14.84

11.83, 17.85

26

Daka D, 2014 (49)

13.49

10.65, 16.32

27

Guta et al., 2014 (50)

12.85

10.13, 15.57

28

Deyno et al., 2017 (51)

12.65

9.98, 15.31

29

Mechal et al., 2021 (52)

14.69

11.71, 17.66

30

Abebe T et al., 2023 (53)

15.04

12.01, 18.07

31

Wasihun et al., 2015 (54)

15.55

12.32, 18.77

Combined

14.51

11.59, 17.44