Disparities in time to treatment initiation of invasive lung cancer among Black and White patients in Tennessee

Lohuwa Mamudu, Saanie Sulley, Paul H Atandoh, Joanne L Reyes, Raquibul A K M Bashar, Martin Whiteside, Archana J McEligot, Hadii M Mamudu and Faustine Williams

PLOS ONE, 2025, vol. 20, issue 1, 1-17

Abstract: Background: Early initiation of treatment for lung cancer has been shown to improve patient survival. The present study investigates disparities in time to treatment initiation of invasive lung cancer within and between Black and White patients in Tennessee. Methods: A population-based registry data of 42,970 individuals (Black = 4,480 and White = 38,490) diagnosed with invasive lung cancer obtained from the Tennessee Cancer Registry, 2005–2015, was analyzed. We conducted bivariate ANOVA tests to examine the difference in time to treatment initiation among independent factors, and multivariable Cox proportional hazard models to identify independent factors that influence median time to treatment initiation after diagnosis. Results: When considering the estimate of the proportion of time to treatment initiation based on the combined influence of all independent factors (sex, age, race, marital, county of residence, health insurance, cancer stage, and surgical treatment), Black patients were generally more at risk of delayed treatment compared to Whites. Black patients aged

Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0311186

DOI: 10.1371/journal.pone.0311186

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