Highlights
- •Elderly patients with locally advanced rectal cancer (LARC) have worse OS & DFS.
- •Elderly patients with LARC have similar DSS as younger patients.
- •Comorbidity and adjuvant therapy, and not age, drive OS & DFS.
Abstract
Introduction
We aimed to assess the association of age with outcomes in patients with Locally Advanced
Rectal Cancer (LARC) who received neoadjuvant therapy followed by major surgery.
Methods
Retrospective review of 328 patients with LARC, N = 99 < 70 years (younger) versus
N = 229 ≥ 70 years (elderly) from 2004 to 2018.
Results
Elderly patients had a higher American Society of Anesthesiologists (ASA) score, Charlson
Comorbidity Index (CCI), length of stay and 30-day readmissions (p < 0.05). They also
had worse overall survival (OS) & disease-free survival (DFS) (p < 0.001), but similar
disease-specific survival (DSS) compared to younger group. Age was not associated
with hazard of death (HR 1.01, 0.98–1.03). Rather, CCI (HR 1.29, 1.01–1.5), extramural
vascular invasion (HR 4.98, 2.84–8.74), and adjuvant therapy (0.37, 0.21–0.64) were
significantly associated with the hazard of death; when controlled for stage, tumor
distance from anal verge, and neoadjuvant completion.
Conclusion
Comorbidities and lower rates of adjuvant therapy, and not chronologic age, are associated
with poor OS of elderly patients with LARC treated with neoadjuvant therapy and major
surgery.
Keywords
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Article info
Publication history
Published online: December 13, 2022
Accepted:
December 4,
2022
Received in revised form:
November 15,
2022
Received:
July 20,
2022
Publication stage
In Press Journal Pre-ProofIdentification
Copyright
© 2022 Elsevier Inc. All rights reserved.