confounding bias

基本解释

A meta-regression analysis is observational in nature and may suffer from confounding bias.
多元回归分析是观察性的，可能存在混淆偏倚的可能。
He accepted that there was potential for a confounding bias in such observational registries.
他认为在这种观察性研究中存在着混杂偏倚。
Higher level studies min¬imize bias, confounding and chance making their conclu¬sions more likely reliable.
较高水平的研究缩小偏倚、混杂和偶然性，使得他们的结论更可靠。

We have to recognize that studies that carefully assess the effects of an exposure on health are extremely difficult to carry out correctly without the errors of bias and confounding and, thus, are of variable reliability and validity.
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These results remained consistent after adjusting for confounding factors and controlling for other potential sources of bias.
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