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Year : 2015  |  Volume : 6  |  Issue : 4  |  Page : 178-180

Sources of bias in diagnostic accuracy studies

1 Department of Pediatrics, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia
2 Department of Family and Community Medicine, College of Medicine, King Fahd Hospital of the University, University of Dammam, Saudi Arabia

Correspondence Address:
Areej Abdul Ghani Al Fattani
Department of Pediatrics, King Faisal Specialist Hospital and Research Centre, Riyadh
Saudi Arabia
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/1658-5127.171991

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Diagnostic accuracy studies are known to have different sources of bias. Usually, those biases are not stated clearly in papers and lead to disruption in conclusion. Because pathologists are the producers, readers, or consumers of diagnostic accuracy studies, it is essential for them to know the types of bias that will affect the outcome of the test. This article provides spot light on couple of common sources of bias and their effect on validity and reliability of the results.

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