方法采用同胞对和随机病例-对照两种实验设计。
Methods Both sib-pairs and random case-control designs were used.
设计:以抑郁症患者为研究对象,正常人群为对照组的病例-对照研究。
DESIGN: a case controlled study using the patients with depression as the subjects and normal persons as the controls.
方法采用病例-对照研究,选择152名苯中毒工人为病例组,152名接触苯而无中毒表现的工人为对照组。
Methods A case control study was conducted. 152 BP patients and 152 workers occupationally exposed to benzene without poisoning manifestations were involved.
病例对照研究诣在通过对两组其他方面都类似的癌症患者与健康人群作比较,找到对癌症治疗起作用的因素。
Such studies try to identify the factors contributing to cancer by comparing people who have the disease with those who do not, but are otherwise similar.
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。
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].
队列研究一般优先用于病例对照研究,由于其很少涉及的统计学问题,产生的结果一般比较可靠。
Cohort studies are generally preferred to case control studies, since they involve far fewer statistical problems and generally produce more reliable answers.
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。
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.
并发症发生率类似于使用固定轨道锁定钢板的病例对照。
Complicationrates were similar to those for historical controls treated with fixed-trajectory locking plates.
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。
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.
目的应用巢式病例对照研究方法,探讨原发性肝癌(HCC)的危险因素。
Purpose To explore the risk factors of hepatocellular carcinoma (HCC) with the aid of nested case control study.
为了评价首胎年龄和生育数与胰腺癌的发生可能存在的关系,作者做了以医院为基础的病例对照研究。
In order to evaluate a possible association between age of first parturition and the number of births and pancreatic cancer, we conducted a case control study with a hospital background.
方法来自北京、南京、长春544名性滥者和448名对照进行病例对照研究。
Methods Case control study of 544 high risk persons and 448 controls from Beijing, Nanjing, Changchun.
方法采用病例对照研究的方法,观察2型糖尿病伴胆囊结石组(DG)及不伴胆囊结石组(NDG)各40例。
Methods This is a case control study. 40 type 2 diabetic patients with gallstones(DG)and 40 type 2 diabetic patients without gallstones(NDG)were enrolled.
方法采用回顾性调查研究方法计算麻疹疫苗(MV)效力(VE),采用病例对照研究进行传播因素分析。
Methods Reviewing investigation was used for the MV coverage rate and immunization efficacy (ve), a case control study was carried for seeking risk factors.
对903名中老年人群进行高脂血症的现况调查和危险因素的病例对照研究。
The prevalence survey of hyperlipidemia and its case control study on risk factors were carried out in 903 middle or old person.
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。
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.
对部分慢性支气管炎急性发作期及迁延期的病人进行病例对照研究;
The case control studies on parts of patients in acute attack and delayed peroids of chronic bronchitis were carried out.
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 This paper presents a statistical method of familial correlation on family data from case-control studies.
方法于2004年在北京市西城区和海淀区进行病例对照调查。
Methods a case-control study was conducted in Xicheng District and Haidian District of Beijing in 2004.
纳入标准:经典文献、经严格科学设计的基础实验研究、前瞻性随机性临床研究及病例对照研究。
Inclusion criteria: Typical literatures, basic experimental research that restrictedly and scientifically designed, prospective randomized clinical research as well as case control study.
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。
Objective To introduce the approaches for estimating gene-environment interaction based on partial case-control studies.
方法采用现况调查和危险因素病例对照研究法进行研究。
Methods Prevalence survey and case-control study on risk factors was conducted.
方法采用临床流行病学病例对照研究方法进行研究。
Method This study was underwent with the clinical case-control study of the Epidemiology.
同时一些观察性研究,如队列研究、病例对照研究和历史对照研究等纳入用于敏感性分析。
Observational studies such as cohort studies, cased-control studies, and historical controlled studies will be used for sensitivity analysis.
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。
Of the available studies, 29 were cohort studies, 69 case-control studies, and 4 randomized clinical trials.
方法采取1:M匹配的病例对照研究。
方法以住院网络成瘾患者为索引病例,调查其发病的危险因素,并进行1:1病例对照。
Methods Taking the in-patients with Internet addiction as index case, we investigated the risk factors of Internet addiction in comparison with 1:1 case-control.
电磁场暴露与痴呆:基于人群的病例对照研究。
Relationship between electromagnetic field exposure and dementia: a population-based case-control study.
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。
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。
But it appears that some of these early investigations may have been biased by the use of "case-control" studies.
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