Country	Primary Liver Cancer (C22) % of all incident cancer cases (n/N total)	Age-standardized rate (World)	Comparative OR (95% CI) with Gabon	P value
Gabon	3.2 (55/1677)	3.3	--	--
Republic of Congo	8.5 (207/2415)	5.9	2.7 (2.0-3.8)	<0.0001
Cameroun	6.0 (955/15769)	6.1	1.9 (1.4-2.5)	<0.0001
Equatorial Guinea	5.5 (44/787)	4.7	1.7 (1.1-2.6)	0.0080
Democratic Republic of Congo	7.3 (5765/8980)	8.0	2.3 (1.8-3.1)	<0.0001