confounding factors

confounding factors in radiation epidemiology and their comparability between high background radiation areas and control areas in yangjiang, china

阳江高本底地区放射流行病学调查中混淆因素及对照人群可比性研究

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the category-specific semantic deficits are objective phenomena, but not artifacts from some confounding factors.

语义范畴特异性损伤是一种客观现象，而不是一种来自混淆因素造成的假象。

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Adding confounding factors in the sample, and still obtained good results.

在样本中增添干扰因素的情况下，仍能得出比较好的效果。

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rat studies can be very useful in assessing human effects, because studies of people can be hampered by complex confounding factors which could include cigarette smoking, wealth or urban living.

对老鼠的研究在评估人类的影响方面可能很有用处，因为对人的研究会受到复杂的令人困惑的因素所限制，其中可能包括吸烟、财富或城市生活。

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we used cox regression models to estimate the risk of cancer and adjust for potential confounding factors.

我们使用Cox回归模型来估计罹患癌症的风险并根据潜在的混淆因素进行校正。

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To control confounding factors, stratified analysis for serum Cu was made.

为排除混杂因素的影响，作者还对血清铜据不同的分层特征进行了分层分析。

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single variable and multivariate conditional logistic regression analysis were used to analyze risk factors. the confounding factors were excluded, and the risk factors were found by using logic analysis.

应用1：1条件logistic回归进行单因素和多因素分析，排除混杂因素、逻辑分析和病因推断，寻找可能的危险因素。

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experiments show that the proposed fire flame detection method can effectively eliminate noise, accurately identify the image of fire flames, possess high detection rate, rule out other confounding factors, and enjoy huge practical value.

实验表明，本文所提出的火灾火焰检测方法能有效地消除噪声，较准确地识别火灾火焰图像，探测率高且能有效排除其它因素的干扰，具有较好的实用价值。

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Results showed that working jobs and seniority were the major confounding factors to the prevalences calculation.

结果表明,工种、工龄是计算粗患病率时的主要混杂因素.

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[ conclusion] gam can flexibly control confounding factors and treat covariants, so it is appropriate to be applied to the study of the association between air pollutant/ fog and asthma hospital emergency room visits.

[结论]GAM能够灵活地控制混杂因素和处理协变量，因此适用于研究空气污染及雾与哮喘急诊人数关系。

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" even including all the confounding factors i could find, the risk reduction was still significant," he said.

他说，“即使考虑到所有能想到的混淆因素，（他汀类药物降低VTE）风险的作用仍很显著”。

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These analyses depend on a number of potentially confounding factors such as nonstomatal transpiration and temperature.

这些分析取决于非气孔蒸腾和温度这样一些可能混淆的因素.

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first, image pre-processing technologies are used to exclude confounding factors and enhance the image information, and then the his color model is used to realize the color clustering image segmentation for extracting the suspected flame region.

首先利用图像预处理技术来排除干扰因素以及增强图像信息，然后利用HIS颜色模型实现基于颜色聚类的火焰图像分割，提取出疑似火焰区域。

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in conclusion, qrs scoring system is of great value in estimating anterior myocardial infarction size, but less accurate for patients with confounding factors on ecg.

认为QRS计分系统对估测前壁心肌梗死具有良好的实用价值，有心电学干扰因素时不够精确；

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the confounding factors, such as age, sex, educational background and socioeconomic status relating to the neurobehavioral function, can also confound the interpretation of the behavioral data.

混杂因素（如性别、年龄、文化程度和社会经济状态）的效应可能影响神经行为测试结果的准确性。

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we estimated the incidence rate of suicide-related events and used logistic regression to compute odds ratios, controlling for confounding factors.

我们对自杀相关事件的发生率作出了评价，采用逻辑回归法计算出优势率，并对混淆因素进行了核实。

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to set up detailed measurements to the drawing-line test which is less time-consuming and easier to carry out with less confounding factors so as to analyze clinical problems like anxiety from tests quantitatively. 3.

制定中医心理画线测验方法细则，建立一种省时、简洁、少干扰的量化测验方式，分析男女学生考试焦虑等问题。

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Strategies to control confounding factors in clinical trials

关于新药临床试验中控制混杂因素的几点意见

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so we study the plant community characteristics of the mining area should be combined with vegetation species characteristics, diversity, community structure and other confounding factors.

对矿区植被群落特征研究应结合物种特性、多样性、群落结构和干扰因子来研究群落稳定性。

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unconditional logistic regression models were used in the analysis to adjust potential confounding factors and to obtain maximum likelihood estimates of the odds ratios ( ors) and 95% confidence intervals ( cis).

使用非条件logistic回归分析，调整可能的混杂因素，估计吸烟及环境烟草烟雾暴露对膀胱癌发生的比数比和95%可信区间。

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the prevalence of fluorosis, dental caries and fluoride concentration in drinking water and total daily intake were investigated in 4 areas with different fluoride levels. various confounding factors were controlled by using logistic regression.

调查了典型饮水型氟中毒流行区4个不同氟暴露水平地区的人群氟中毒和儿童龋齿患病率，并研究了它们与饮水氟浓度及总摄氟量的关系。

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remote sensing imaging process affected by many factors, cloud is one of the most common confounding factors.

遥感成像记录地物信息时不可避免地受到很多因素的影响，云噪声是遥感图像中最常见的干扰因素。

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Using smoothing spline to control the confounding factors such as time, temperature.

其中混杂因素如时间、温度用平滑样条函数进行控制。

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In removing the time trend, season, long-term weather confounding factors such as the basis, the number of the pollution and DMF exposure response relation.

在去除时间长期趋势、季节、气象等混杂因素的基础上，研究DMF污染与发病人数的暴露反应关系。

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it contains the methods of rude point and interval estimation and control of confounding factors of the etiologic fraction attributable to interaction.

它包括归因于相互作用病因学分数EF（AXB）粗的点估计、区间估计和控制混淆因素的方法。

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third, teaching evaluation process must be institutionalized and refined, tries to control a variety of confounding factors, and manages to avoid the random-oriented tendency, reflecting the standardization and people-oriented direction.

第三、评教组织过程必须制度化和细化，尽力控制各种干扰因素，避免随意化和管理为本的倾向，体现规范化和以人为本的导向。

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multiple logistic regression analysis revealed that contribution of passive smoking to cord blood lead level was still statistically significant after adjusting other confounding factors.

多元logistic回归分析发现，被动吸烟对脐血铅水平的贡献，在考虑了其他掺杂因素的影响后仍有统计学意义。

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conclusion confounding factors can be better controlled between study group and the control group by applying cluster-randomized method on vaccine trail which enabled the intervention to be more scientifically evaluated;

结论组群随机抽样法应用于大规模疫苗效果观察试验，能较好地控制组间混杂因子，使干预的实际效果得到科学的评价；

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Comparison after matching: 45 living items and 45 nonliving items were selected to conduct critically matching of confounding factors including word frequency, familiarity, age of acquisition, naming agreement, imaging agreement and so on.

匹配后的比较：从中选出有、无生命类各45个项目，两个类别间严格匹配了词频、熟悉性、获得年龄、命名一致性、表象一致性等混淆因素。

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after adjusted with different confounding factors, the inconsistency of the relationships between reproductive factors and three subtypes of hypertension suggested that reproductive pathogenic mechanisms of three subtypes of hypertension might have heterogeneity. 2.

调整不同的混杂因素后，生殖相关因素在高血压三种亚型间的风险关联不一致，提示我们生殖相关因素对不同高血压亚型的致病机制可能存在差异。

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