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review biases

— Occurs in diagnostic test accuracy studies when the person interpreting the results of the index test has knowledge of the results of the reference standard (diagnostic review bias), or, the person interpreting the results of the reference standard has knowledge of the results of the index test (index review bias). Clinical review bias occurs when relevant clinical and patient information is available to the person interpreting the test or reference result. These are all forms of observer bias.

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Read the full entry in the Catalogue of Bias. 

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