Racial differences in prevalence and severity of non-alcoholic fatty liver disease

Table 1 Estimated prevalence of nonalcoholic fatty liver disease in the general United States population (three main Race-ethnicities)

Ref.	Whites			Blacks			Hispanics
	No.	Denom	Percentage	No.	Denom	Percentage	No.	Denom	Percentage
Rich et al[8]	24454	200510	0.12	3625	54790	0.07	5125	40591	0.13
Kallwitz et al[7]							1691	9342	0.18
Zou et al[14]	2229	4341	0.51	538	2833	0.19	1686	3886	0.43
Lim et al[20]	82	400	0.2	49	297	0.16	180	377	0.48
Foster et al[16]	189	1244	0.15	106	992	0.10	208	775	0.27
Total	26954	206495	0.13	4318	58912	0.07	8890	54971	0.16

Table 2 Prevalence of metabolic syndrome and its components in African Americans vs Hispanics[17]

	AA	H	P value
Percentage MetS	19	33	< 0.0001
% Diabetes	17	17	NS
Mean HDL	53	47	< 0.0001
Mean TG	107	160	< 0.0001
Mean BMI	31	29	0.008

AA: African Americans; H: Hispanics; MetS: Metabolic syndrome; HDL: High-density lipoprotein (mg%); TG: Triglyceride (mg%); BMI: Body mass index.

Table 3 Percentage of patients with the PNPLA3 G allele polymorphism and FIB-4 > 2.67[3]

	% PNPLA3-G allele	% Suspected NAFLD	% FIB-4 > 2.67
Mexican American	52	21	0.4
South American	51	20	0.3
Central American	48	23	0.9
Puerto-Rican	35	16	2.0
Cuban	28	16	1.8
Dominican	22	13	0.5

NAFLD: Nonalcoholic fatty liver disease.