Impact of payment source, referral site, and place of residence on outcomes after allogeneic transplantation in Mexico

The impact of social determinants of health in allogeneic transplant recipients in low- and middle-income countries is poorly described. This observational study analyzes the impact of place of residence, referring institution, and transplant cost coverage (out-of-pocket government-funded private in...

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Veröffentlicht in:World journal of transplantation 2024-06, Vol.14 (2), p.91052
Hauptverfasser: Gómez-De León, Andrés, López-Mora, Yesica A, García-Zárate, Valeria, Varela-Constantino, Ana, Villegas-De Leon, Sergio U, González-Leal, Xitlaly J, Del Toro-Mijares, Raúl, Rodríguez-Zúñiga, Anna C, Barrios-Ruiz, Juan F, Mingura-Ledezma, Victor, Colunga-Pedraza, Perla R, Cantú-Rodríguez, Olga G, Gutiérrez-Aguirre, César H, Tarín-Arzaga, Luz, González-López, Elías E, Gómez-Almaguer, David
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Zusammenfassung:The impact of social determinants of health in allogeneic transplant recipients in low- and middle-income countries is poorly described. This observational study analyzes the impact of place of residence, referring institution, and transplant cost coverage (out-of-pocket government-funded private insurance) on outcomes after allogeneic hematopoietic stem cell transplantation (alloHSCT) in two of Mexico's largest public and private institutions. To evaluate the impact of social determinants of health and their relationship with outcomes among allogeneic transplant recipients in Mexico. In this retrospective cohort study, we included adolescents and adults ≥ 16 years who received a matched sibling or haploidentical transplant from 2015-2022. Participants were selected without regard to their diagnosis and were sourced from both a private clinic and a public University Hospital in Mexico. Three payment groups were compared: Out-of-pocket (OOP), private insurance, and a federal Universal healthcare program "Seguro Popular". Outcomes were compared between referred and institution-diagnosed patients, and between residents of Nuevo Leon and out-of-state. Primary outcomes included overall survival (OS), categorized by residence, referral, and payment source. Secondary outcomes encompassed early mortality, event-free-survival, graft-versus-host-relapse-free survival, and non-relapse-mortality (NRM). Statistical analyses employed appropriate tests, Kaplan-Meier method, and Cox proportional hazard regression modeling. Statistical software included SPSS and R with tidycmprsk library. Our primary outcome was overall survival. We included 287 patients, = 164 who lived out of state (57.1%), and = 129 referred from another institution (44.9%). The most frequent payment source was OOP ( = 139, 48.4%), followed by private insurance ( = 75, 26.1%) and universal coverage ( = 73, 25.4%). No differences in OS, event-free-survival, NRM, or graft-versus-host-relapse-free survival were observed for patients diagnosed locally in another institution, nor patients who lived in-state out-of-state. Patients who covered transplant costs through private insurance had the best outcomes with improved OS (median not reached) and 2-year cumulative incidence of NRM of 14% than patients who covered costs OOP (Median OS and 2-year NRM of 32%) or through a universal healthcare program active during the study period (OS and 2-year NRM of 19%) ( = 0.024 and = 0.002, respectively). In a multivariat
ISSN:2220-3230
2220-3230
DOI:10.5500/wjt.v14.i2.91052