Paired study

[Methods]A population survey-based nested 1:3 matched case-control study paired by age,sex and body mass index(BMI) was conducted.

[方法]以人群调查为基础,采用嵌套1︰3配对病例对照研究方法,配对条件:年龄、性别和体重指数。

METHODS Amatched case-control study was carried out in Jiangxi Province during February 1999 to February 2000,the data collected were analyzed with Logistic regression model.

目的 探讨原发性胃癌的危险因素 方法 于1999年2月至2000年2月,在江西省进行了1次配对病例对照研究,资料统计采用Logistic回归模型。

Matched case-control study method was used,30 common factors associated with perinatal death were analyzed.

方法:以1994~2002年度在广州市荔湾区死亡的736例围产儿为病例组,采用配对病例对照研究的方法,对可能影响围产儿死亡的30项常见因素进行单因素分析和多因素分析。

A Matched Case-Control Study on Influential Factor of Lung Cancer in Yu Huan County;

玉环县居民肺癌影响因素的配比病例对照研究

Methods A hospital-based 1:2 matched case-control study was carried out with 72 cases of ML pathologically diagnosed and 144 non-ML neoplasm and non-neoplasm controls in Nantong city,Jiangsu province.

方法采用以医院病例为基础的1:2配比病例对照研究方法,对从江苏省南通市4家医院收集的72例经组织病理学确诊的恶性淋巴瘤(ML)患者及144例其他肿瘤和非肿瘤对照进行问卷调查。

Psychomotor Ability of Children with Behavior Problems;

行为问题儿童精神运动功能配对研究

Studies on the Loss Impact and Placement of Distributed Generation in Distribution System;

分布式电源对配电网网损影响及配置的研究

On the Study of Matched and Mismatched Nucleobase Pairs by Using Raman Spectroscopy;

多聚核苷酸碱基配对与错配的喇曼光谱研究

Research of the Influence of Yarn Color Configuration on Color Effect;

纱线色彩配置对织物配色模纹形状影响的研究

Synthesis and crystal structure of a coordination polymer composed of rare earth Ce and symmetric ligand

稀土Ce与对称配体配合物的合成与结构研究

Research on the Effects of Port Plate Structure on the Water Hammering of Pure Water Axial Piston Hydraulic Pump

配流盘结构对纯水液压泵配流特性影响的研究

A total of 27 259 matched pairs were identified.

结果：总计对27259配对进行研究。

Aspects of resource allocation theory are reviewed.

本文综述了对资源分配理论的研究。

Study of binocular images pretreatment for stereo matching

双目立体匹配图像对的预处理研究

CASE CONTROL STUDY FOR RISK FACTORS OF PREMATURE BIRTH

早产因素1∶3配比病例—对照研究

STUDY ON THE COMPLEX OF BI(Ⅲ) WITH CPAPB

铋(Ⅲ)与对溴偶氮氯膦配合物的研究

Study on Decolorization of Printing and Dyeing Wastewater by Iron Filtration Method;

铁屑法对染料配制废水除色试验研究

Studies on the Chemical Constituents of the Drug Couple Composed of Lonicera Japonica and Fructus Forsythiae;

金银花、连翘药对配伍的化学成分研究

The Research of Registration and Fusion for Palmprint Image;

针对掌纹图像的配准与融合方法研究

Study on the Problem of Distributive Justice and Its Resolution in Our Country;

当前我国分配正义问题及其对策研究

Research in Regulation of Personal Possessions Tax to Income Distribution;

个人所得税对调节收入分配问题研究

The Research on Mechanism of Income Distribution on Economic Growth;

收入分配对经济增长的作用机制研究

Research on Synthesis of Mn~(2+) Complexes and Their Decomposition Function on Hydrogen Peroxide;

Mn~(2+)配合物的合成及对H_2O_2的分解研究