Table 4.

Prospective studies on the effects of diet and exercise in NAFLD

Author	Year	N	Indication	Additional therapy	Duration (months)	Histologic Improvement
						NAS	Steatosis	Fibrosis
Promrat117 RCT	2010	31	NASH		12	+	+	−
Hickman118	2004	14	NAFLD		6		+	+
Nakamuta27	2005	11	Pre-transplant	Bezafibrate	½–2		+
Chen122	2008	23	Pre-transplant		1–3		+

NAFLD, non-alcoholic fatty liver disease; NASH, non-alcoholic steatohepatitis; NAS, NAFLD activity score; RCT, randomized controlled trial.