Methods: A nested case-control study.
方法:采用成组病例对照研究。
Methods 1: m matched case-control study was conducted.
方法采取1:M匹配的病例对照研究。
Methods Both sib-pairs and random case-control designs were used.
方法采用同胞对和随机病例-对照两种实验设计。
Methods Cross-sectional study and case-control study were performed.
方法现况调查和病例对照研究。
Study Design. Prospectie case-control study testing a new diagnostic method.
研究设计:为试验一种新的诊断方法而做的预期病例对照研究。
Methods Prevalence survey and case-control study on risk factors was conducted.
方法采用现况调查和危险因素病例对照研究法进行研究。
This type of study design, known as "case-control," cannot prove cause-and-effect.
这种类型的研究被称为病例对照研究,它不能够证明两者之间的因果关系。
A Case-control Study of Gastric Cancer and Nutritional Factors in Marseille, France.
病例对照研究胃癌和营养因素,在马赛,法国。
Method This study was underwent with the clinical case-control study of the Epidemiology.
方法采用临床流行病学病例对照研究方法进行研究。
Relationship between electromagnetic field exposure and dementia: a population-based case-control study.
电磁场暴露与痴呆:基于人群的病例对照研究。
Of the available studies, 29 were cohort studies, 69 case-control studies, and 4 randomized clinical trials.
现有的研究包括29个队列研究,69个病例对照研究以及4个随机临床试验。
But it appears that some of these early investigations may have been biased by the use of "case-control" studies.
最新研究显示这些早期的研究由于用到病例对照研究,结果已经有偏倚。
Objective This paper presents a statistical method of familial correlation on family data from case-control studies.
目的提出一种分析病例对照家系资料家庭相关的统计方法。
Objective To introduce the approaches for estimating gene-environment interaction based on partial case-control studies.
目的介绍不完全病例对照研究中基因与环境交互作用的估计方法。
This isn't a conclusion based simply on some cohort or case-control studies. There are many, many randomized controlled trials.
这一结论不只是基于一些世代研究或病例对照研究,而是基于无数随机对照试验。
Methods a 1:1 matched case-control study was conducted 175 patients with gastric cancer and 175 controls were surveyed by questionnaire.
方法采用1:1配对的病例对照研究,对175对病例及对照进行饮食及生活行为问卷调查。
Those types of studies have been coming out in the last 10-15 years and have not supported the original findings [from case-control groups].
这一类型的研究持续了10到15年,结果表明,通过病例对照研究而得出的结论站不住脚。
Methods A 1:1 matched case-control study was performed exposure to analyse some exposure factors in home environment that related with asthma.
方法应用1∶1配对的病例对照研究方法,调查和分析家庭环境中与儿童哮喘有关的暴露因素。
Methods Samples were tested by pathogenic and serologic means before data was collected and analyzed by case-control or family-control studies.
方法采用病原学、血清学与病例对照和病家对照研究方法,检测标本和收集资料,进行整理分析。
A matched case-control study on the relationships between cigarette smoking, alcohol drinking, hypertension and cerebral hemorrhage was conducted.
采用以医院为基础的配比病例对照研究方法,探讨了吸烟、饮酒及高血压与脑出血的关系。
Many researchers fault case-control work as being a weak method for showing direct causality, especially because it is subject to substantial recall bias.
很多研究员都指责案例对照法不是展现因果关系直接有力的方法,尤其因为它受制于大量的记忆误差。
When data were reanalyzed with prevalent-user cohorts and matched case-control designs, results were similar, with slightly less elevated risk estimates.
当这些数据与使用传统药物的群体再分析,并与对照设计配对时,所得的结果则是类似的,风险仅有微小的提升。
Objective To introduce the application of Multifactor Dimensionality Reduction (MDR) method for detecting gene-gene interactions in genetic case-control studies.
目的介绍在遗传流行病学病例对照研究中,应用多因子降维法(MDR)分析基因-基因交互作用。
Resting heart rate (RHR) is a risk factor for cardiovascular disease in the general population and case-control studies have reported a higher RHR in individuals with type 1 diabetes.
在普通人群中静息心率(RHR)是心血管疾病的危险度因子,病例对照研究显示1型糖尿病患者的RHR偏高。
For that we have selected 134 inpatients to performed case-control study and employed single factor and multiple factor analysis in order to get a deeper understand about risk factor of LI.
为此,我们选择了134例住院病人进行了病例对照研究,并采用单因素及多因素分析,旨在对LI发病的危险因素有更深入的了解。
Preterm delivery was associated with maternal drug-treated hypertension and impaired renal function. A matched case-control study showed no evidence of increased renal allograft loss after pregnancy.
早产与母亲服药治疗高血压及肾功能损害有关。一项配对病例对照研究发现没有证据表明妊娠会增加移植肾失功发生率。
In this case, the transition from manual to auto mated control would take place on the entrance ramp.
在这种情况下,从手动到自动匹配控制的过渡将在入口坡道上进行。
It is considered an important test case by both advocates and opponents of gun control.
这在枪支管制的支持者和反对者双方看来都是一个重要的判例案件。
It is considered an important test case by both advocates and opponents of gun control.
这在枪支管制的支持者和反对者双方看来都是一个重要的判例案件。
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