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21 June 2020: Database Analysis

Development and Validation of Prognostic Nomograms for Patients with Duodenal Neuroendocrine Neoplasms

Shenghong Sun BDEF* , Wei Wang ACDFG** , Chiyi He ABG*

DOI: 10.12659/MSM.922613

Med Sci Monit 2020; 26:e922613

Table 4 The C-index for nomograms and the AJCC 7th staging system in patients with D-NENs.

C-index (95% CI)Training cohortValidation cohortAll cohort
Overall survivalNomogram0.739 (0.690–0.788)0.696 (0.618–0.774)0.722 (0.679–0.765)
AJCC 7 staging system0.534 (0.477–0.591)0.604 (0.522–0.686)0.561 (0.516–0.606)
Cancer-specific survivalNomogram0.859 (0.802–0.916)0.781 (0.659–0.903)0.801 (0.736–0.866)
AJCC 7 staging system0.718 (0.626–0.810)0.719 (0.590–0.848)0.720 (0.646–0.794)
AJCC – American Joint Committee on Cancer; D-NEN – duodenal neuroendocrine neoplasms.

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Medical Science Monitor eISSN: 1643-3750
Medical Science Monitor eISSN: 1643-3750