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Published in: Journal of Gastrointestinal Surgery 3/2021

01-03-2021 | Colectomy | Original Article

Association of County-Level Social Vulnerability with Elective Versus Non-elective Colorectal Surgery

Authors: Adrian Diaz, Elizabeth Barmash, Rosevine Azap, Anghela Z. Paredes, J. Madison Hyer, Timothy M. Pawlik

Published in: Journal of Gastrointestinal Surgery | Issue 3/2021

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Abstract

Introduction

A person’s community, or lived environment, may play an important role in achieving optimal health outcomes. The objective of the current study was to assess the association of county-level vulnerability with the probability of having a non-elective colon resection. We hypothesized that individuals from areas with a high social vulnerability would be at greater risk of non-elective colon resection compared with patients from low social vulnerability areas.

Methods

Patients aged 65–99 who underwent a colon resection for a primary diagnosis of either diverticulitis (n = 11,812) or colon cancer (n = 33,312) were identified in Medicare Part A and Part B for years 2016–2017. Logistic regression analysis was used to evaluate differences in probability of undergoing an elective versus non-elective operation from counties relative to county-level social vulnerability index (SVI). Secondary outcomes included postoperative complications, mortality, readmission, and index hospitalization expenditure.

Results

Among 45,124 patients, 11,812 (26.2%) underwent a colon resection for diverticulitis, while 33,312 (73.8%) had a resection for colon cancer; 31,012 (68.7%) patients had an elective procedure (diverticulitis n = 7291 (61.7%) vs. cancer n = 23,721 (71.2%)), while 14,112 (31.3%) had an emergent operation (diverticulitis n = 4521 (38.3%) vs. cancer n = 9591 (28.8%)). Patients with a high SVI were more likely to undergo an emergent colon operation compared with low SVI patients (43.7% vs. 40.4%) (p < 0.001). The association of high SVI with increased risk of an emergent colon operation was similar among patients with diverticulitis (emergent: low SVI 37.2% vs. high SVI 40.4%) or colon cancer (emergent: low SVI 26.0% vs. high SVI 29.9%) (both p < 0.05). On multivariable analyses, risk-adjusted probability of undergoing an urgent/emergent operation remained associated with SVI (p < 0.05).

Conclusion

Patients residing in vulnerable communities characterized by a high SVI were more likely to undergo a non-elective colon resection for either diverticulitis or colon cancer. Patients from high SVI areas had a higher risk of postoperative complications, as well as index hospitalization expenditures; however, there were no differences in mortality or readmission rates.
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Metadata
Title
Association of County-Level Social Vulnerability with Elective Versus Non-elective Colorectal Surgery
Authors
Adrian Diaz
Elizabeth Barmash
Rosevine Azap
Anghela Z. Paredes
J. Madison Hyer
Timothy M. Pawlik
Publication date
01-03-2021
Publisher
Springer US
Published in
Journal of Gastrointestinal Surgery / Issue 3/2021
Print ISSN: 1091-255X
Electronic ISSN: 1873-4626
DOI
https://doi.org/10.1007/s11605-020-04768-3

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