Prevalence of mild cognitive impairment : a population - based study in elderly veterans 军队干体所老年人轻度认知功能损害的患病率调查
Confirmation and estimation of risk in population - based studies has been inconsistent and more problematic 基于人群的研究,对于风险的认证和预测还存在矛盾和很多的疑问。
Finally , large population - based studies suggest that obesity is a risk factor for chronic migraine after adjusting for comorbidities 最后,大样本人群调查显示,经校正后共病者,肥胖是慢性偏头痛的危险因素。
Methods . data of a dutch population - based study were used , limited to persons 25 to 64 years of age ( n 2517 ) . data were collected by a postal questionnaire 方法:采用荷兰人群研究数据,对象年龄范围在25 - 64岁之间,总共2517例。数据通过邮递问卷形式采集。