The Burden of Undiagnosed Diabetes Mellitus in Adult African Population: A Systematic Review and Meta-Analysis

Table 1

The characteristics of studies included in the meta-analysis of the prevalence of UDM in African population ().

Article ID	Residence	Country	Region in Africa	Dx lab method	Study design	Sample size ()	Prevalence of UDM (%)
Sabir et al. [27]	Rural	Nigeria	West	OGTT	Cross-sectional	389	4.6
Erasmus et al. [29]	Urban	South Africa	South	OGTT	Cross-sectional	642	18.1
Echouffo-Tcheugui et al. [24]	Urban	Cameroon	Central	FPG	Cross-sectional	1591	6.3
Seck et al. [26]	Rural and urban	Senegal	West	FPG	Cross-sectional	1026	4.64
Megerssa et al. [18]	Urban	Ethiopia	East	FPG	Cross-sectional	422	5
Meiloud et al. [25]	Rural and urban	Mauritania	Western	FPG	Cross-sectional	1278	4.77
Seifu et al. [21]	Rural	Ethiopia	East	FPG	Cross-sectional	4371	3.8
Abebe et al. [17]	Rural and urban	Ethiopia	East	FPG	Cross-sectional	2141	2.47
Enang et al. [28]	Rural	Nigeria	West	FPG	Cross-sectional	1134	6.5
Noor et al. [22]	Rural	Sudan	East	FPG	Cross-sectional	1111	2.6
Wondemagegn et al. [19]	Rural and urban	Ethiopia	East	FPG	Cross-sectional	722	11.5
Elmadhoun et al. [32]	Urban	Sudan	East	FPG	Cross-sectional	954	5.97
Ludwig et al. [16]	Urban	Tanzania	East	HbA1c	Cross-sectional	382	9
Ahmed, 2017	Rural	Egypt	North	OGTT	Cross-sectional	1255	4.2
Balde et al. [23]	Rural and urban	Guinea	West	FPG	Cross-sectional	1100	3.19
Worede et al. [20]	Rural	Ethiopia	East	FPG	Cross-sectional	392	2.3
Animaw and Seyoum [1]	Rural and urban	Ethiopia	East	FPG	Cross-sectional	1405	2.49