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Table 1 Summary characteristics of studies in the meta-analysis to show the prevalence Gestational diabetes mellitus in Africa, 2013–2018

From: Prevalence and determinants of gestational diabetes mellitus in Africa based on the updated international diagnostic criteria: a systematic review and meta-analysis

S.N Author, year of publication
(Year study conducted or year of survey)
Country, Sub region Study design Sample size Response rate Mean age (SD)/range GA when tested GDM(week) Screening criteria Test approach Blood glucose levels were measured by Prevalence of GDM
(95% CI)
1 Niyibizi et al., 2016 [13]
(2012)
Rwanda, East Africa Institution-based cross-sectional 96 100% M = 27 ± 9.8
R = 21–45
24–28 Universal One step Glucometer (ACCU-CHECK-Aviva Plus) + laboratory glucose Oxidase method) 8.3% (2.78,13.82)
2 Sagheer and Hamdi, 2018 [56] (2015) Egypt, North Africa Institution-based Cross-sectional 700 89.7% M = 26.5 ± 5.5
R = 18–42
24–28 Universal One step Laboratory method 7.43% (5.49,9.37)
3 Ogoudjobi et al., 2017 [44] (2015–2017) Benin, West Africa Institution-based
cross-sectional
967 100% M = 28.5 ± 5.7
R = 16–44
24–28 Universal One step Laboratory glucose oxidase method 7.5% (5.84.9.16)
4 Oppong et al., 2015 [45](2013) Ghana, West Africa Institution-based cross-sectional 399 100% NR 24–28 Universal One step Laboratory method 9.3% (6.45,12.15)
5 Oriji et al., 2017 [41] (2015) Nigeria, West Africa Institution-based cross-sectional 235 94% NR 24–28 Universal One step Laboratory glucose oxidase method 14.9% (10.35,19.45)
6 Agbozo et al., 2018 [39] (2016) Ghana, West Africa Institution-based Prospective study 435 88.6% R = 15–54 13–34 Selective (13th–20th)
Universal (20th -34th)
One step NR 9.0% (6.3, 11.69)
7 Nakabuye et al., 2017 [47] (2014) Uganda, East Africa Prospective cohort study 251 75.4% NR 24–36 Universal One step Glucose meter (Glucocard™ Σ1070) 30.3% (24.61,35.99)
8 Macaulay et al., 2018 [54]
2013–2017
South African, Southern Africa Institution-based cross-sectional 1906 94.8% M = 30
R = 25–35
24–28 Universal One step Glucometer(ACCU-CHEK) 9.1% (7.81, 10.39)
9 Abbey and Kasso, 2018 [40]
(2016–2017)
Nigeria, West Africa cross-sectional study 288 > 100% M = 31.18 ±
4.7
< 14 weeks Universal One step Laboratory glucose oxidase method 21.2% (16.48, 25.92)
10 Njete, John et al., 2018 [48]
(2015–2016)
Tanzania, East Africa Cross-sectional study 333 77% M = 27.9 ± 5.9 24–28 Universal One step Plasma-calibrated hand-held glucometers (GlucoPlus) 19.5% (15.24,23.76)
11 Pastakia et al., 2017 [49]
(2013–2015)
Kenya, East Africa Prospective study 616 71.1% M = 26.1 24–32 Universal Two step Laboratory method and POC tests 2.9% (1.57,4.23)
12 Olagbuji et al., 2017 [42]
(2015–2016)
Nigeria, West Africa Institution-based prospective cohort study 280 NR R = 18–45 24–32 Universal Two step Laboratory glucose oxidase method 15.71% (11.45,19.97)
13 Munang et al., 2017 [51]
(2012–2013)
Cameroon, Central Africa Institution-based prospective study 400 82% M = 26 ± 5 24–28 Universal Two step Glucometer (Accu-Chek® Compact Plus) 32.1%. (27.52,36.68)
14 Jao, Wong et al., 2013 [53]
(2013??) NR
Cameroon, Central Africa Cross Sectional study 316 NR R = 15–50 24–28 Universal One step NR 6.3% (3.62,8.98)
15 Djomhou et al., 2016 [52]
(2013)
Cameroon, Central Africa Institution-based prospective cohort study 100 100% M = 27 ± 6 All GA Universal NR Laboratory method 22% (13.88,30.12)
16 Olagbuji et al., 2015 [17]
(2012–2014)
Nigeria, West Africa Institution-based prospective study 1059 81.7% M = 30.7 ± 4.4 24–32 Universal one-step Laboratory glucose oxidase method 8.6% (6.91,10.29)
17 Ogu et al., 2017 [43]
(2014–2015)
Nigeria, West Africa Institution-based cross-sectional 837 NR M = 30.67 ± 4.55
R = 18–48 years
NR Selective NR NR 3.3% (2.09, 4.51)
18 Khalil et al., 2017 [57]
(2015–2016)
Egypt, North Africa Institution-based Cross sectional 250 100% NR 24–28 Universal Two step Laboratory glucose oxidase method 8%. (4.64, 11.36)
19 Adams and Rheeder, 2017 [15]
(2012??) NR
South Africa, Southern Africa Prospective cohort study 554 55.4% M = 27.2 ± 5.8 24–28 Universal One step Laboratory method + POC test 25.8% (22.16, 29.44)
20 Adoyo et al., 2016 [50]
(2015)
Kenya, East Africa Cohort study design 238 93.7 M = 33.06 (GDM) & 27.9 (Non GDM) ≥28 NR NR NR 27.73% (22.04,33.42)
21 Mwanri et al., 2013 [11] (2011–2012) Tanzania,
East Africa
cross-sectional study 910 NR M = 27.5(5.0)
Urban &
M = 26.6 (5.3) Rural
≥20 Weeks Universal One step POC (HemoCue Glucose B-201) 13.1% (10.91, 15.29)
22 Asare-Anane et al. 2014 [46]
2010.
Ghana
West Afrcia
Case control 200 100 NR All GA Universal NR NR NA
23 Mathilda et al., 2017 [55]
(2010–20140
Zimbabwe. Southern Africa Institution-based cross-sectional 532 100% M = 26.9 ± 6.7 All GA NR NR Laboratory method 8.5 (6.13, 10.87)
  1. GDM Gestational diabetes mellitus, M mean, R Range, SD Standard deviation, NR Not Reported, GA Gestational Age, POC Point of care, NA Not Applicable