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Table 2 Sub-group analysis of prevalence of anemia among pregnant women in Ethiopia

From: Prevalence and determinants of anemia among pregnant women in Ethiopia; a systematic review and meta-analysis

Sub group

No. of included studies

Prevalence (95% CI)

Heterogeneity statistics

p-value

I 2

By region

Addis Ababa City

1

21.30 (17.26, 25.34)

–

–

–

Amhara region

3

15.89 (08.82, 22.96)

19.89

<0.001

89.9

Oromia region

6

40.44 (32.67, 48.20)

83.85

<0.001

94.0

SNNPR

5

30.71 (21.74, 39.68)

87.75

<0.001

95.0

Somali region

1

56.80 (52.76, 60.84)

–

–

–

Tigray region

2

27.88 (11.81, 43.95)

46.91

<0.001

97.9

Nationwide study

2

28.10 (18.11, 38.10)

36.12

<0.001

97.2

By study type

Community based study

7

39.49 (30.84, 48.14)

321.93

<0.001

98.1

Institutional based study

13

27.31 (21.51, 33.10)

289.66

<0.001

97.7