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Incident Cases Captured in the National Cancer Database Compared with Those in U.S. Population Based Central Cancer Registries in 2012–2014

Katherine Mallin PhD, Amanda Browner MS, Bryan Palis MA, Greer Gay PhD, Ryan McCabe PhD, Leticia Nogueira PhD, Robin Yabroff PhD, Lawrence Shulman MD, FACP, FASCO, Matthew Facktor MD, FACS, David P. Winchester MD, FACS, Heidi Nelson MD, FACS
Health Services Research and Global Oncology
Volume 26, Issue 6 / June , 2019

Abstract

Background

The National Cancer Database (NCDB) is a hospital-based cancer registry that includes diagnostic, staging, treatment, and outcomes data for newly diagnosed cancer patients in the United States. The NCDB data include 31 million records for patients diagnosed between 1985–2015. A Participant User File based on a subset of these data has been available to researchers at facilities accredited by the Commission on Cancer since 2010. This study aimed to compare the number of incident cancer cases in the NCDB with a national population cancer registry.

Methods

Incident cancer cases in the NCDB in 2012–2014 were compared with the number of cancer cases in the United States Cancer Statistics data for the 2012–2014 diagnosis years. Comparisons were made by primary site and other factors.

Results

In 2012–2014, the NCDB captured 72% of the cancer cases in the United States, which was slightly higher than the 67% and 69% reported respectively in two prior assessments. Among the top 10 major cancer sites, the highest coverage (80%) was found for breast cancer, and the lowest was found for melanoma of the skin (52%) and prostate (58%). Colon, bladder, and kidney and renal pelvis cancers had relatively high coverage of 71%, 70% and 78%, respectively, whereas lung and bronchus had slightly lower coverage (65%).

Conclusions

The NCDB coverage of U.S. cancer cases has remained relatively high (72%), but differences remain by cancer site and other factors that should be taken into account by users of the NCDB data.

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