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. 2018 Nov;21(6):889-899.
doi: 10.1007/s10120-018-0826-x. Epub 2018 Apr 24.

Gastric adenocarcinoma in young adult patients: patterns of care and survival in the United States

Brian De  1 , Ryan Rhome  1 , Vikram Jairam  2 , Umut Özbek  3 , Randall F Holcombe  4 , Michael Buckstein  1 , Celina Ang  5   6
Affiliations

Gastric adenocarcinoma in young adult patients: patterns of care and survival in the United States

Brian De et al. Gastric Cancer. 2018 Nov.

Abstract

Background: Evidence regarding gastric cancer patients < 40 years old is limited. This study examines young adults with gastric adenocarcinoma in the National Cancer Database to describe demographics and treatment practices, and to develop a nomogram to predict survival.

Methods: The database was queried for adult patients diagnosed with gastric adenocarcinoma from 2004 to 2013. Patients were stratified into two age groups: <40 and ≥ 40 years. The database was analyzed to compare demographics, clinical characteristics, and treatments used for each group. Differences in survival were assessed using Kaplan-Meier curves and log-rank test. For adults < 40 years old, an accelerated failure time survival model was fitted for overall survival and a descriptive nomogram was constructed.

Results: Of 70,084 patients included, 2615 (4%) were < 40 years old and 67,469 (96%) were ≥ 40 years. Compared to older patients, adults < 40 years old were more likely to be female (46 vs. 35%), non-white (31 vs. 23%), Hispanic (32 vs. 11%), from the northeast (36 vs. 23%), and to present with stage IV disease (59 vs. 42%) and bone metastases (36 vs. 21%; p < 0.001 for all). The nomogram showed clinical stage as the strongest predictor of overall survival, followed by treatment, grade, race, Charlson-Deyo comorbidity score, and sex.

Conclusions: Young adults with gastric adenocarcinoma are more likely to be Hispanic, female, from the northeast, and to present with metastases. Despite these differences, clinical stage, treatment, and tumor grade are most predictive of overall survival for young adult patients.

Keywords: Adenocarcinoma; Gastric; NCDB; Young.

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