Contemporary trends and survival outcomes of females with esophageal cancer in the United States.

Authors

null

Camille Baumrucker

Sylvester Comprehensive Cancer Center, University of Miami School of Medicine, Miami, FL

Camille Baumrucker , Lindsay Remer , Dido Franceschi , Alan S Livingstone , Francis Igor Macedo

Organizations

Sylvester Comprehensive Cancer Center, University of Miami School of Medicine, Miami, FL, University of Miami Miller School of Medicine, Miami, FL, North Florida Regional Medical Center, University of Central Florida College of Medicine, Gainesville, FL

Research Funding

No funding received
None

Background: Esophageal cancer (EC) is historically a male dominant disease. Current evidence on the impact of gender on clinical presentation and survival outcomes of EC is limited by small sample size or single institution series. Methods: Patients with EC (stage I-III) were identified in the NCDB (2004-2016). Clinicopathologic and treatment characteristics of male and female patients were compared using Chi-square analysis. Kaplan-Meier and Cox multivariable regression were used to estimate overall survival (OS). Results: Of 62,893 patients included, most patients were male (77.7%). Adenocarcinoma was the most common subtype (66.7%). Squamous cell carcinoma was more predominant in females (57.1% vs. 26.5%, p<0.001). Females were older (68.5 vs. 66.1 yrs; p<0.001) and more likely African American (AA, 14% vs. 8.1%; p<0.001). Females presented with more local disease (stage I, 19.6% vs. 18.2%; p<0.001) while males presented with more locoregional disease (LRD, stage II/III, 80.4% vs 81.8%, p<0.001). Of those with LRD, females less frequently received chemotherapy (CT, 75.4% vs. 82.9%, p<0.001), radiation therapy (RT, 78.9% vs. 82.6%, p<0.001), and esophagectomy (EG, 28% vs. 40.5%, p<0.001). White females with LRD received less CT (76.2% vs. 83.9%, p<0.001), RT (79.5% vs. 83.3%, p<0.001), and EG (30.6% vs. 43.5%, p<0.001). AA females with LRD received less CT (71.9% vs. 75.2%, p=0.013) and RT (77.4% vs. 80.5%, p=0.013) but had similar rates of EG as AA males (p=0.476). Females had worse OS than males (18.1 vs. 19.7mo, p=0.001; cI: 23.5 vs. 31.9mo, p<0.001; LRD: 17.2 vs 18.3mo, p=0.473). White females had worse OS than white males (18.6 vs. 20.4mo, p<0.001) while AA females had better OS (13.5 vs. 12.6mo, p=0.001). White females who underwent EG had improved OS over white males (47.6 vs 38mo, p<0.001) while AA males and females who underwent EG had similar OS (p=0.473). Female gender, older age, AA race, high comorbidity score and clinical stage, and lack of access to CT, RT, and EG were independent predictors of mortality (Table 1). Conclusions: Females with EC seem to have less access to CT, RT, and EG with worse OS than males. Healthcare policies should focus on increasing access to standard treatments for female patients with EC.

Cox regression.

HR
95% CI
p-value
Age
1.012
1.011-1.013
<0.001*
Gender
Male
1.126
1.099-1.154
<0.001*
Race
White (Ref)
AA
1.11
1.072-1.149
<0.001*
Hispanic
0.819
0.773-0.869
<0.001*
Other
0.806
0.756-0.86
<0.001*
Insurance
Uninsured (Ref)
Private
0.727
0.686-0.77
<0.001*
Medicaid/

Medicare
0.804
0.759-0.851
<0.001*
Other
0.719
0.658-0.785
<0.001*
Comorbidity Score (CDCC)
0 (Ref)
1
1.141
1.114-1.168
<0.001*
2
1.288
1.244-1.334
<0.001*
Area
Rural (Ref)
Metro
0.975
0.912-1.043
0.466
Urban
1.047
0.976-1.123
0.199
Clinical Stage
LRD
1.678
1.63-1.727
<0.001*
Histology
SCC
1.03
1.006-1.054
0.013
RT
0.885
0.858-0.913
<0.001*
CT
0.698
0.677-0.719
<0.001*
EG

0.442
0.432-0.452
<0.001*

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Abstract Details

Meeting

2021 ASCO Annual Meeting

Session Type

Publication Only

Session Title

Publication Only: Gastrointestinal Cancer—Gastroesophageal, Pancreatic, and Hepatobiliary

Track

Gastrointestinal Cancer—Gastroesophageal, Pancreatic, and Hepatobiliary

Sub Track

Esophageal or Gastric Cancer

Citation

J Clin Oncol 39, 2021 (suppl 15; abstr e16100)

DOI

10.1200/JCO.2021.39.15_suppl.e16100

Abstract #

e16100

Abstract Disclosures

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