Retrospective Cohort Study
Copyright ©The Author(s) 2023.
World J Gastrointest Oncol. Apr 15, 2023; 15(4): 665-676
Published online Apr 15, 2023. doi: 10.4251/wjgo.v15.i4.665
Figure 1
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Figure 1 The flowchart of data collection and grouping for patients with early gastric cancer. LNM: Lymph node metastasis; SEER: Surveillance, Epidemiology, and End Results.
Figure 2
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Figure 2 Nomogram prediction model for lymph node metastasis in early gastric cancer patients.
Figure 3
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Figure 3 Calibration curve of the nomogram prediction model for early gastric cancer patients. A: Internal validations for the nomogram prediction model for the training set of early gastric cancer (EGC) patients; B: External validations for the nomogram prediction model for the testing set of EGC patients. LNM: Lymph node metastasis.
Figure 4
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Figure 4 Receiver operating characteristic curve of the nomogram prediction model for early gastric cancer patients. A: Internal validations for the nomogram prediction model for the training set of early gastric cancer (EGC) patients; B: External validations for the nomogram prediction model for the testing set of EGC patients.