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The positive coincidence rate contrast between CST4 and other biomarkers (CEA, CA19-9, CA125, CA72-4) which were detected in the same samples of GC and CRC.
Note: The cut-off values of CST4 detection for GC and CRC tumors were set as 101 pg·mL−1 with reference to the preceding ROC data (McNemar test, P<0.001).
Abbreviations: CEA, carcinoembryonic antigen; CRC, colorectal cancer; CST4, cystatin S; GC, gastric cancer; ROC, receiver-operating curve.
