Selected article for: "logistic regression and los estudio"

Author: Lorente, Leonardo; Martín, María M.; Franco, Andrés; Barrios, Yvelise; Cáceres, Juan J.; Solé-Violán, Jordi; Perez, Alina; Alberto Marcos y Ramos, José; Ramos-Gómez, Luis; Ojeda, Nazario; Jiménez, Alejandro
Title: Polimorfismos genéticos de HLA y pronóstico de pacientes con COVID-19
  • Cord-id: 52uf9wa5
  • Document date: 2020_9_6
  • ID: 52uf9wa5
    Snippet: Objetivo: Diferentes polimorfismos genéticos de los antígenos leucocitarios humanos (HLA) están asociados con el riesgo y el pronóstico de enfermedades autoinmunes e infecciosas. Los objetivos de estudio fueron determinar si existe una asociación entre polimorfismos genéticos de HLA y la susceptibilidad y mortalidad de pacientes con la enfermedad del coronavirus 2019 (COVID-19). Diseño: Estudio observacional y prospectivo Ámbito: Ocho Unidades de Cuidados Intensivos (UCI) de 6 hospitales
    Document: Objetivo: Diferentes polimorfismos genéticos de los antígenos leucocitarios humanos (HLA) están asociados con el riesgo y el pronóstico de enfermedades autoinmunes e infecciosas. Los objetivos de estudio fueron determinar si existe una asociación entre polimorfismos genéticos de HLA y la susceptibilidad y mortalidad de pacientes con la enfermedad del coronavirus 2019 (COVID-19). Diseño: Estudio observacional y prospectivo Ámbito: Ocho Unidades de Cuidados Intensivos (UCI) de 6 hospitales de las islas canarias (España). Pacientes: Pacientes COVID-19 ingresados en UCI y sujetos sanos. Intervenciones: Se determinaron los polimorfismos genéticos de HLA Variable de interés principal: Mortalidad a los 30 días Resultados: Se incluyeron 3886 sujetos sanos y 72 pacientes COVID-19 (10 fallecidos y 62 supervivientes a 30 días). Encontramos una tendencia a una mayor frecuencia de los alelos HLA-A*32 (p=0.004) en sujetos sanos que en pacientes COVID-19, y de los alelos HLA-B*39 (p=0.02) y HLA-C*16 (p=0.02) en pacientes COVID-19 que en sujetos sanos; sin embargo, no fueron significativos al corregir por comparaciones múltiples. En la regresión logística encontramos que la presencia de ciertos alelos estuvo asociada con mayor mortalidad, como el alelo HLA-A*11 controlando por SOFA (OR=7.693; 95% CI=1.063-55.650; p=0.04) o APACHE-II (OR=11.858; 95% CI=1.524-92.273; p=0.02), el alelo HLA-C*01 controlando por SOFA (OR=11.182; 95% CI=1.053-118.700; p=0.04) o APACHE-II (OR=17.604; 95% CI=1.629-190.211; p=0.02), y el alelo HLA-DQB1*04 controlando por SOFA (OR=9.963; 95% CI=1.235-80.358; p=0.03). Conclusiones: Los nuevos hallazgos de nuestro preliminar estudio de pequeño tamaño muestral fueron que determinados polimorfismos genéticos de HLA podrían estar asociados con la mortalidad de pacientes COVID-19; sin embargo, estudios de mayor tamaño muestral son necesarios para concluirlo definitivamente. Objective: Different genetic polymorphisms of human leucocyte antigen (HLA) have been associated with the risk and prognosis of autoimmune and infectious diseases. The objectives of this study were to determine whether there is an association between HLA genetic polymorphisms and the susceptibility to and mortality of coronavirus disease 2019 (COVID-19) patients. Design: Observational and prospective study Setting: Eight Intensive Care Units (ICU) from 6 hospitals of Canary Islands (Spain). Patients: COVID-19 patients admitted in ICU and healthy subjects Interventions: Determination of HLA genetic polymorphisms Main variable of interest: Mortality at 30 days Results: A total of 3886 healthy controls and 72 COVID-19 patients (10 non-survivors and 62 survivor patients at 30 days) were included. We found a trend to a higher rate of the alleles HLA-A*32 (p=0.004) in healthy controls than in COVID-19 patients, and of the alleles HLA-B*39 (p=0.02) and HLA-C*16 (p=0.02) in COVID-19 patients than in healthy controls; however, all these p-values were not significant after correction for multiple comparisons. Logistic regression analysis showed that the presence of certain alleles was associated with higher mortality, such as the allele HLA-A*11 after controlling for SOFA (OR=7.693; 95% CI=1.063-55.650; p=0.04) or APACHE-II (OR=11.858; 95% CI=1.524-92.273; p=0.02), the allele HLA-C*01 after controlling for SOFA (OR=11.182; 95% CI=1.053-118.700; p=0.04) or APACHE-II (OR=17.604; 95% CI=1.629-190.211; p=0.02), and the allele HLA-DQB1*04 after controlling for SOFA (OR=9.963; 95% CI=1.235-80.358; p=0.03). Conclusions: The new finding from our preliminary study of small sample size was that HLA genetic polymorphisms could be associated with COVID-19 mortality; however, studies with a larger sample size before definitive conclusions can be drawn.

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