Assessing Clinical Significance of Serum CA15-3 and Carcinoembryonic Antigen (CEA) Levels in Breast Cancer Patients: A Meta-Analysis.

Med Sci Monit · 2016 · PMC5022658 · PMID 27596019

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slightly significantno p-value reported

For publication bias, we noticed that Egger’s test of the CA15-3 level in malignant tumors and Begg’s test of the CEA level in benign tumors demonstrated slightly significant bias.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.