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Table 5 Subgroup analysis of CEA predictive value for lymph node metastasis

From: The significance of preoperative serum carcinoembryonic antigen levels in the prediction of lymph node metastasis and prognosis in locally advanced gastric cancer: a retrospective analysis

Group

Optimal cut-off value

Sensitivity

Specificity

Positive predictive value

Negative predictive value

Accuracy

AUC (95%CI)

CEA > 3.4 ng/ml

7.13 ng/ml

0.588

0.75

0.934

0.231

0.611

0.623(0.467–0.78)

CEA ≤3.4 ng/ml

3.21 ng/ml

0.09

0.987

0.889

0.487

0.509

0.521(0.432–0.61)