Methods: The investigation was conducted by means of case control study,including 118 patients of type 2 diabetes with fatty liver(DFL),149 type 2 diabetes without fatty liver(NDFL),55 nondiabetic nonalcoholic steatohepatitis(NDNASH).

• 方法:采用病例对照研究,2型糖尿病伴有脂肪肝(DFL)组1 1 8例,2型糖尿病不伴脂肪肝(NDFL)组1 4 9例,非糖尿病非酒精性脂肪肝(NDNASH)组5 5例。