In younger individuals (<55 years), the integration of microbial signatures with CA19-9 yielded modest enhancements in diagnostic performance (model 1 + CA19-9: AUC = 0.962; model 2 + CA19-9: AUC = 0.913) compared to CA19-9 alone (AUC = 0.782), although these improvements did not reach statistical significance ( p = 0.33 and 0.52).
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Metagenomic Microbial Signatures for Noninvasive Detection of Pancreatic Cancer.
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