Table 2.

Nonmodifiable risk factors for NAFLD.

Factor	Association with NAFLD	Risk of Progression to NASH
Age [23,24,25,28]	Increases prevalence with age	Increase risk of progression to NASH
Gender [22,23,24,25]	Increase prevalence in men	Unclear
Ethnicity [8,18,31,33]	Hispanics has the highest prevalence followed by Caucasians and African-American	Association is still uncertain. African-American has less prevalence of NASH despite highest prevalence of obesity.
Familial predisposition [12,14]	Family history of NAFLD might increases the risk	Unclear