Gastro-duodenal disease in Africa: Literature review and clinical data from Accra, Ghana

Table 2 Hospital-based endoscopic studies of pre-malignant lesions

Country	Study population	n	Gastric atrophy frequency (%)	Intestinal metaplasia frequency (%)
Cote d’Ivoire, Attia et al[77], 2001	Dyspeptic patients	137	-	19
Sudan, El-Mahdi et al[78], 1998	Dyspeptic H. pylori infected patients	78	37	4
Egypt, Abdel-Wahab et al[79], 1996	DU patients	43	-	26
Gambia, Campbell et al[80], 2001	Dyspeptic patients	45	10	12
Uganda, Wabinga et al[81], 2005	Dyspeptic patients	114	17	7
Kenya, Kalebi et al[82], 2007	Dyspeptic patients	71	57	11
Nigeria, Ndububa et al[83], 2007	DU and GC patients	115	-	32 GC
				16 DU
Jos, Nigeria, Tanko et al[52], 2008	Dyspeptic patients	100	38	28
Nigeria, Badmos et al[84], 2009	Dyspeptic patients	1047	5	9
Tunisia, Jmaa et al[85], 2010	Dyspeptic patients	352	35	11
Ilorin, Nigeria, Badmos et al[86], 2010	Dyspeptic patients	57	32	9
Maputo, Mozambique Carrilho et al[46], 2009	Dyspeptic patients	109	8.3	8.3
United States, Almouradi et al[87], 2013	Symptomatic individuals	437	-	15.01
Finland, Eriksson et al[88], 2008	Symptomatic individuals	505	-	18.8 (antrum)
				7.1 (body)
Sweden, Borch et al[89], 2000	Symptomatic individuals	501	9.41
Korea, Kim et al[90], 2008.	Symptomatic individuals	713	42.7 (antrum)	42.5 (antrum)
			38.1 (body)	32.7 (body)
China, Zou et al[91], 2011	Symptomatic individuals	1,022	63.81
Japan, Sakitani et al[47], 2011	Symptomatic individuals	1395	-	17.2 (antrum)
				10.8 (body)

¹Prevalence of gastric atrophy or intestinal metaplasia in the antrum and/or body. DU: Duodenal ulcer; GU: Gastric ulcer; H. pylori: Helicobater pylori.