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Article Abstract

Background: Previous disparities research has demonstrated that underrepresented racial minority patients have worse colorectal cancer outcomes and that they experience unnecessary delays in time to treatment. These delays may explain worse colorectal cancer outcomes for minority patients and serve as a marker of inequalities in our healthcare system.

Objective: This study aims to quantify the mechanisms that contribute to this disparity in treatment delay.

Design: This is a retrospective analysis of colorectal cancer patients who underwent elective resection from 2004 to 2017. A causal inference mediation analysis using the counterfactual framework was utilized to estimate the extent to which racial disparities among patient factors explain the racial disparities in time to treatment. Mediators included income, education, comorbidities, insurance, and hospital type.

Settings: This study was conducted at hospitals participating in the National Cancer Database.

Patients: Stage I-III colorectal cancer patients, ≥18 years old, who underwent elective resection from 2004 through 2017 were included.

Main Outcomes Measures: The primary measures were indirect effects of mediators between race and delayed time to treatment.

Results: Of the 504,405 patients (370,051 colon and 134,354 rectal), 10%, 5%, and 4% were black, Hispanic, and other. In multivariable models, compared to white patients, these patients had 25%, 27%, and 17% greater odds of delayed treatment. Mediation analyses suggested that 43%, 20%, and 31% of the treatment delay among them could be removed if an intervention equalized income, education, comorbidities, insurance, and hospital type to that of white patients. Treatment at an academic hospital explained 15% to 32% of the racial disparity and was the most potent mediator.

Limitations: This study was limited by its retrospective design and failure to capture all meaningful mediators.

Conclusions: Black, Hispanic, and other colorectal cancer patients experience treatment delays when compared to white patients. Equalization of the mediators used in this study could reduce treatment delays by 20% to 43% depending on the racial/ethnic group. Future research should identify other causes of racial disparities in treatment delay and intervene accordingly. See Video Abstract at http://links.lww.com/DCR/B871 .

Factores Mediadores Entre La Raza Y El Tiempo Hasta El Tratamiento En El Cncer Colorectal: ANTECEDENTES:Investigaciones anteriores sobre disparidades han demostrado que los pacientes de minorías raciales subrepresentados tienen peores resultados de cáncer colorrectal y que experimentan retrasos innecesarios en el tiempo de tratamiento. Estos retrasos pueden explicar los peores resultados del cáncer colorrectal para los pacientes de minorías y servir como un marcador de desigualdades en nuestro sistema de salud.OBJETIVO:Este estudio tiene como objetivo cuantificar los mecanismos que contribuyen a esta disparidad en el retraso del tratamiento.DISEÑO:Este es un análisis retrospectivo de pacientes con cáncer colorrectal que se sometieron a resección electiva entre 2004 y 2017. Se utilizó un análisis de mediación de inferencia causal utilizando el marco contra factual para estimar hasta qué punto las disparidades raciales entre los factores del paciente explican las disparidades raciales en el tiempo hasta el tratamiento. Los mediadores incluyeron ingresos económicos, educación, comorbilidades, seguro médico y tipo de hospital.AJUSTES:Este estudio se realizó en hospitales que participan en la Base de datos nacional del cáncer.PACIENTES:Se incluyeron pacientes con cáncer colorrectal en estadio I-III, ≥18 años, que se sometieron a resección electiva entre 2004 y 2017.PRINCIPALES RESULTADOS MEDIDAS:Las principales mediciones fueron el efecto indirecto de los mediadores entre la raza y el retraso en el tratamiento.RESULTADOS:De los 504,405 pacientes (370,051 de colon, 134,354 rectal), 10%, 5%, 4% eran negros, hispanos, y otros, respectivamente. En modelos multivariables, en comparación con los pacientes blancos, estos pacientes tenían un 25%, 27%, y 17% más de probabilidades de retrasar el tratamiento. Los análisis de medición sugirieron que el 43%, 20%, 31% del retraso del tratamiento entre, respectivamente, podría eliminarse si una intervención igualara los ingresos económicos, la educación, las comorbilidades, el seguro médico y el tipo de hospital a los de los pacientes blancos. El tratamiento en un hospital académico demostró entre el 15% y el 32% de la disparidad racial y fue el mediador más potente.LIMITACIONES:Este estudio estuvo limitado por su diseño retrospectivo; falla en capturar a todos los mediadores significativos.CONCLUSIONES:Los pacientes negros, hispanos y otros con cáncer colorrectal experimentan retrasos en el tratamiento en comparación con los pacientes blancos. La igualación de los mediadores utilizados en este estudio podría reducir los retrasos en el tratamiento en un 20-43%, según el grupo racial / étnico. Las investigaciones futuras deberían identificar otras causas de disparidades raciales en el retraso del tratamiento e intervenir sobre ellas. Consulte Video Resumen en http://links.lww.com/DCR/B871 . (Traducción-Dr. Yolanda Colorado ).

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http://dx.doi.org/10.1097/DCR.0000000000002214DOI Listing

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