In this study we investigated the biochemical features of patients withNASH in Southestern Anatolia. One hundered and two patients wereincluded in the study (mean age 42.1; 52 (51%) female, 50 (49%) male).Fifty six patients were overweight, 27 were obese and 2 were morbid obese.Out of 102 patients 34 were in steatohepatitis group. Median AST level was34.6 U/L and ALT was 51.9 U/L. Tehre was diabetes mellitus in 15 patients.Obesity, hyperlipidemia and diabetes mellituswere important risk factors forNASH in our region. Steatohepatitis was more comman in male group. Inconclusion patients with hepatosteatosis must be evaluated with respect tosteatohepatitis and, if necessary, must be treated