The investigation was conducted by means of case control study, including 108 patients of type 2 diabetes with fatty liver (DFL), 139 type 2 diabetes without fatty liver(NDFL), 52 nondiabetic nonalcoholic steatohepatitis (NDNASH).

• 采用病例对照研究 ,2型糖尿病伴有脂肪肝 (DFL)组 10 8例 ,2型糖尿病不伴脂肪肝 (NDFL)组 139例 ,非糖尿病非酒精性脂肪肝 (NDNASH)组 5 2例。