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Observational Study
Copyright: ©Author(s) 2026.
World J Gastroenterol. Sep 7, 2026; 32(33): 118185
Published online Sep 7, 2026. doi: 10.3748/wjg.118185
Figure 4
Figure 4 Receiver operating characteristic curves of urinary N1, N12-diacetylspermine combined with serum carcinoembryonic antigen for gastric cancer and colorectal cancer. A: In gastric cancer patients; B: In colorectal cancer patients. TPR: True positive rate; AUC: Area under the curve; FPR: False positive rate; DiAcSpm: N1, N12-diacetylspermine; CEA: Carcinoembryonic antigen; CI: Confidence interval.


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