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目的 探讨老年人 (≥ 6 0岁 )及各民族构成、血压、血糖、血脂、体重指数不同切点的聚集状态和并发冠心病 (CHD)的特点。方法 随机整群抽样调查乌鲁木齐地区≥ 6 0岁 834人的健康状况。按四项危险因素的不同切点、民族分组 ,统计分析不同组间危险因素聚集及与CHD的相关情况。结果 四项因素和CHD检出率在性别间的超重项差异显著 ,其他项差异不显著 ,血脂异常与超重项随增龄递减 ,高血压、高血糖、CHD则有随增龄递增的趋势 ;民族间≥ 3RFs的检出率差异显著 (P <0 .0 1) ,但民族间多种因素聚集与CHD的检出率排序不一致 ;四项因素任一项的切点升高 ,多因素聚集和CHD检出率均随之升高 ,除体重指数一项的冠心病检出率外差异均显著(P <0 .0 0 1～ 0 .0 5 )。结论 各民族CHD检出率高低与危险因素的聚集有关 ,也与各单因素的“独立危险性”强弱有关 ;四项危险因素中任何一项因素切点的升高与多种危险因素聚集都和CHD检出率的升高相关 ;各种危险因素“异常”切点的研究有重要意义。
Objective To investigate the characteristics of aggregation status and coronary heart disease (CHD) in the elderly (≥60 years old) and ethnic groups with different points of blood pressure, blood glucose, blood lipid and body mass index. Methods Random cluster sampling was used to investigate the health status of 834 people aged 60 years and older in Urumqi. According to the different cut-points of four risk factors, ethnic groups, statistical analysis of different groups of risk factors and CHD concentration and aggregation. Results There were significant differences among the four factors and CHD detection rate among the sexes. The other items were not significantly different. The dyslipidemia and overweight items decreased with age, and hypertension, hyperglycemia and CHD tended to increase with age. There was significant difference in the detection rate of ≥3RFs between ethnic groups (P <0.01), but there was a discrepancy between the ranking of CHD detection rate among different ethnic groups. The cut-off point of any of the four factors was increased and multi-factorial clustering And CHD detection rate increased with the exception of the body mass index of a detection rate of coronary heart disease were significantly different (P <0.001 ~ 0.05). Conclusion The detection rate of CHD in all ethnic groups is related to the aggregation of risk factors and also to the strength of “independent risk” of each single factor. The increase of any one of the four risk factors and the aggregation of multiple risk factors Are all related to the increase of the detection rate of CHD. The study on the “abnormal” cutoff point of various risk factors is of great significance.