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Table 3 True prevalence estimates using demographic and health surveys

From: Validation of an obstetric fistula screening questionnaire: a case–control study with clinical examination

DHS Survey Country & Year

Sample size

Observed prevalence (per 1000 women)

True unobserved prevalence (per 1000 women)

Benin 2011–12

16,599

7

− 45

Burkina Faso 2010

17,062

1

− 52

Burundi 2016–17

17,269

8

− 44

Cameroon 2011

15,419

4

− 48

Congo 2011–12

10,818

3

− 49

Ethiopia 2016

15,683

4

− 48

Guinea 2018

10,874

40

− 9

Kenya 2014

14,737

10

− 42

Malawi 2015

24,562

6

− 46

Mali 2018

10,519

4

− 48

Nigeria 2008

33,317

4

− 48

Rwanda 2005

5420

30

− 18

Senegal 2010–11

15,688

1

− 52

Sierra Leone 2013

16,543

7

− 45

Tanzania 2010

10,136

6

− 46

Togo 2013

9,474

10

− 42

Uganda 2016

18,506

14

− 38

Yemen 2013

16,457

8

− 44

Zambia 2018

13,683

2

− 51

Country A

 

50

0

Country B

 

60

11

Country C

 

70

21