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Table 1 Characteristics of included studies (N = 44)

From: Global burden of potentially life-threatening maternal conditions: a systematic review and meta-analysis

Author, publication year

Study Country

Study Extent

Diagnosis criteria

Study Desing

Sample size

PLTC(%)

Rajbanshi et al. 2021 [36]

Nepal

Single site

WHO

CS

346

6.60

Murki et al. 2017 [57]

India

Single site

WHO

CS

1127

11.09

Tenaw et al. 2021 [22]

Ethiopia

2 + sites

WHO

CS

1214

17.55

Woldeyes et al. 2018 [74]

Ethiopia

Single site

WHO

CS

2737

13.30

Tunçalp et al. 2014 [16]

Gahna

Single site

WHO

CS

3438

15.00

Tunçalp et al. 2013 [49]

Gahna

Single site

WHO

CS

3438

15.01

Tallapureddy et al. 2017 [54]

India

Single site

WHO

CS

3900

4.72

Teka et al. 2022 [47]

Ethiopia

Single site

WHO

CS

5116

13.5

Herklots et al. 2017 [75]

Tanzania

Single site

WHO

CS

5551

10.3

Hitti et al. 2018 [76]

United States

Single site

CDC/ICD 9–10

CS

7025

4.00

Roopa et al. 2013 [48]

India

Single site

WHO

CS

7390

10.2

Francisco et al. 2018 [55]

Brazil

Single site

WHO

CS

8077

2.70

Menezes et al. 2015 [58]

Brazil

2 + sites

WHO

CS

20435

5.85

Norhayati et al. 2016 [3, 39]

Malaysia

2 + sites

WHO

CS

21579

1.83

Norhayati et al. 2016 [3, 39]

Malaysia

2 + sites

WHO

CS

23422

1.69

Jabir et al. 2013 [21]

Iraq

2 + sites

WHO

CS

25472

0.83

Chb et al. 2015 [56]

South Africa

2 + sites

WHO

CS

26614

4.21

Aleman et al. 2022 [72]

LACs

Network

WHO

CS

33901

8.00

Tan et al. 2015 [53]

China

2 + sites

WHO

CS

33993

4.34

Owolabi et al. 2020 [73]

Kenya

National

WHO

CS

36162

5.50

Moreira et al. 2017 [67]

Brazil

National

WHO

CS

36724

5.60

Balachandran et al. 2022 [51]

India

Single site

WHO

CS

37590

4.88

Ghazivakili et al. 2016 [45]

Iran

2 + sites

WHO

CS

38715

1.08

Maity et al. 2022 [50]

India

Single site

WHO

CS

39310

4.50

Ba, Anna, et al. 2021 [52]

United States

2 + sites

CDC/ICD 9–10

CS

48608

1.50

Oliveira et al. 2014 [44]

Brazil

Network

WHO

CS

82144

10.52

Santana et al. 2017 [37]

Brazil

Network

WHO

CS

82388

10.01

Zanardi et al. 2020 [77]

Brazil

Network

WHO

CS

82388

11.60

Santana et al. 2018 [24]

29 WHOMC

Network

WHO

CS

287077

6.20

Reid et al. 2018 [38]

United States

National

CDC/ICD 9–10

CS

364113

1.97

Serruya et al. 2017 [46]

LACC

2 + sites

WHO

CS

712081

15.50

Dzakpasu et al. 2020 [40]

Canada

National

CDC/ICD 9–10

CS

1418545

1.61

Pacheco et al. 2014 [59]

Brazil

Single site

WHO

Cohort

2291

17.50

Beyene et al. 2022 [63]

Ethiopia

2 + sites

WHO

Cohort

3006

10.40

Magar et al. 2020 [62]

India

Single site

WHO

Cohort

4351

6.91

Tura A. et al. 2018 [64]

Ethiopia

2 + sites

WHO

Cohort

7929

13.30

Crom et al. 2016 [60]

Itali

Single site

WHO

Cohort

23453

6.30

Nam et al. 2019 [61]

South Korea

National

CDC/ICD 9–10

Cohort

90072

2.31

Nam et al. 2022 [65]

South Korea

National

CDC/ICD 9–10

Cohort

280612

2.30

Fauconnier et al. 2020 [71]

FBS

Network

WHO

CC

3825

3.40

Madeiro et al. 2015 [68]

Brazil

Single site

WHO

CC

5841

5.87

Paes et al. 2014 [66]

Brazil

Single site

WHO

CC

16243

7.30

Chhabra et al. 2019 [70]

India

Single site

WHO

CC

38111

1.80

Raineau et al. 2022 [69]

France

2 + sites

WHO

CC

182309

1.40

  1. WHOMC WHO multicenter countries, CS Cross-Sectional, CC Case–Control, LACs Latin American Countries, LACC Latin America and Caribbean countries, FBS France, Belgium, and Switzerland