Impact of type 2 diabetes on adenoma detection in screening colonoscopies performed in disparate populations

The Black/African Ancestry (AA) population has a higher prevalence of type 2 diabetes mellitus (T2DM) and a higher incidence and mortality rate for colorectal cancer (CRC) than all other races in the United States. T2DM has been shown to increase adenoma risk in predominantly white/European ancestry...

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Bibliographic Details
Published in:World journal of clinical cases 2021-04, Vol.9 (11), p.2433-2445
Main Authors: Joseph, Dimitri F, Li, Ellen, Stanley Iii, Samuel L, Zhu, Yi-Cong, Li, Xiao-Ning, Yang, Jie, Ottaviano, Lorenzo F, Bucobo, Juan Carlos, Buscaglia, Jonathan M, Miller, Joshua D, Veluvolu, Rajesh, Follen, Michele, Grossman, Evan B
Format: Article
Language:English
Subjects:
Retrospective Cohort Study
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Summary:The Black/African Ancestry (AA) population has a higher prevalence of type 2 diabetes mellitus (T2DM) and a higher incidence and mortality rate for colorectal cancer (CRC) than all other races in the United States. T2DM has been shown to increase adenoma risk in predominantly white/European ancestry (EA) populations, but the effect of T2DM on adenoma risk in Black/AA individuals is less clear. We hypothesize that T2DM has a significant effect on adenoma risk in a predominantly Black/AA population. To investigate the effect of T2DM and race on the adenoma detection rate (ADR) in screening colonoscopies in two disparate populations. A retrospective cohort study was conducted on ADR during index screening colonoscopies (age 45-75) performed at an urban public hospital serving a predominantly Black/AA population (92%) (2017-2018, = 1606). Clinical metadata collected included basic demographics, insurance, body mass index (BMI), family history of CRC, smoking, diabetes diagnosis, and aspirin use. This dataset was combined with a recently reported parallel retrospective cohort data set collected at a suburban university hospital serving a predominantly White/EA population (87%) (2012-2015, = 2882). The ADR was higher in T2DM patients than in patients without T2DM or prediabetes (35.2% 27.9%, = 0.0166, = 981) at the urban public hospital. Multivariable analysis of the combined datasets showed that T2DM [odds ratio (OR) = 1.29, 95% confidence interval (CI): 1.08-1.55, = 0.0049], smoking (current never OR = 1.47, 95%CI: 1.18-1.82, current past OR = 1.32, 95%CI: 1.02-1.70, = 0.0026 , older age (OR = 1.05 year, 95%CI: 1.04-1.06, < 0.0001), higher BMI (OR = 1.02 unit, 95%CI: 1.01-1.03, = 0.0003), and male sex (OR = 1.87, 95%CI: 1.62-2.15, < 0.0001 were associated with increased ADR in the combined datasets, but race, aspirin use and insurance were not. T2DM, but not race, is significantly associated with increased ADR on index screening colonoscopy while controlling for other factors.
ISSN:2307-8960
2307-8960
DOI:10.12998/wjcc.v9.i11.2433