Objective To explore the epidemiological characteristics of nonalcoholic fatty liver disease (NAFL)and relationship with main chronic diseases in Xuanwu district community of the elderly.Methods 6 779in the elderly physical examination,unified health questionnaire,physical examination,measurement of body mass index,blood pressure,fasting blood glucose,liver function,blood lipids,abdominal B-ultrasound to calculate prevalence of NAFL rate,and its related factors were analyzed.Results NAFL prealence was 38.7％,NAFL group of overweight and obesity,diabetes,high blood pressure,dyslipidemia was significantly higher than the control group.Conclusion NAFL rate was high,and it has close relationship with the metabolic syndrome,NAFL should be placed in community mainly chronic diseases of prevention and control category.

Objective To evaluate the relationship between aged diabetes mellitus and cognitive impairment in community elders.Method 308 type Ⅱ diabetic patients, including 225 diabetes patients and 164 diabetes with hypertension patients, were random selected in our study. 225 hypertension and 186 healthy elders were random selected as controls. Mini-Mental State Examination (MMSE) was tested on each case. According to DSM-IV, all participants were classified into three groups ( normal, MCI and dementia) .Result MMSE scores in diabetes patients were lower than that in healthy controls(25. 87±3.33 vs 26. 86 ±2. 82, F = 9.62, P < 0. 01), and scores in diabetes with hypertension group (24. 68 ±4. 36 ) were much lower than that in healthy controls ( F =37. 16, P <0.01). Conclusion Senile diabetes were positive correlated with cognitive impairment. Diabetes were a risk factor of dementia in seniles. Diabetes with hypertension can increase cognitive impairment in community elders.