confounding bias

基本解释

A meta-regression analysis is observational in nature and may suffer from confounding bias.
多元廻歸分析是觀察性的，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.
他認爲在這種觀察性研究中存在著混襍偏倚。
Higher level studies min¬imize bias, confounding and chance making their conclu¬sions more likely reliable.
較高水平的研究縮小偏倚、混襍和偶然性，使得他們的結論更可靠。

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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