Is there any progress in the treatment of non-alcoholic fatty liver disease?

Table 1 Prevalence of non-alcoholic fatty liver disease in different countries

Author	Country	Population	n	Prevalence of NAFLD (%)	Methods of diagnosis
Fan et al[5] , 2007	China	Normal	14 646	14	US
Papatheodoridis et al[8] , 2007	Greece	Normal	3063	18	Liver enzymes
Zelber-Sagi et al[16] , 2006	Israel	Normal	326	30	US
Bedogni et al[3] , 2007	Italy	Normal	598	20	US
Targher et al[12] , 2007	Italy	T2DM	2839	70	US
Sorrentino et al[11] , 2004	Italy	Bariatric surgery	80	72	Biopsy
Hamaguchi et al[6] , 2005	Japan	Normal	4401	18	US
Yamamoto et al[15] , 2007	Japan	Normal	263	18	US
Park et al[9] , 2006	Korea	Normal	6648	19	US
Roesch-Dietlen et al[10] , 2006	Mexico	Metabolic syndrome	337	16	US
Browning et al[4] , 2004	USA	Normal	2287	31	MRS
Tran et al[13] , 2006	USA	Living donors	70	38.5	Biopsy
Kunde et al[7] , 2005	USA	Bariatric surgery	233	97	Biopsy
Weston et al[14] , 2005	USA	Chronic liver disease	742	39	US/CT

NAFLD: Non-alcoholic fatty liver disease; T2DM: Type 2 diabetes mellitus; US: Ultrasonography, MRS: Magnetic resonance spectroscopy; CT: Computerized tomography.