Bibliographic citations
Bravo, M., (2023). Validez diagnóstica del índice de saturación de oxígeno comparado con índice de oxigenación para mortalidad en pacientes críticos en ventilación mecánica invasiva con síndrome de dificultad respiratoria aguda severa por COVID-19 [Tesis, Universidad Privada Antenor Orrego]. https://hdl.handle.net/20.500.12759/10804
Bravo, M., Validez diagnóstica del índice de saturación de oxígeno comparado con índice de oxigenación para mortalidad en pacientes críticos en ventilación mecánica invasiva con síndrome de dificultad respiratoria aguda severa por COVID-19 [Tesis]. PE: Universidad Privada Antenor Orrego; 2023. https://hdl.handle.net/20.500.12759/10804
@misc{renati/373835,
title = "Validez diagnóstica del índice de saturación de oxígeno comparado con índice de oxigenación para mortalidad en pacientes críticos en ventilación mecánica invasiva con síndrome de dificultad respiratoria aguda severa por COVID-19",
author = "Bravo Sotero, María del Cielo Milagros",
publisher = "Universidad Privada Antenor Orrego",
year = "2023"
}
To determine if the oxygen saturation index (OSI) has greater diagnostic validity for mortality than the oxygenation index (OI) in critically ill patients on invasive mechanical ventilation with severe ARDS due to COVID-19. Material and methods: A retrospective analytical cross-sectional study of diagnostic tests was carried out. The database collected from 176 medical records of critically ill patients on invasive mechanical ventilation with severe ARDS due to COVID-19 who were admitted to the Intensive Care Unit of the Trujillo Regional Teaching Hospital from March 2020 to March 2021 was used. A bivariate analysis was performed, then with the variables that were statistically significant, a multivariate analysis was performed. Specificity, sensitivity, PPV and NPV of LE and OSI were determined, in addition, a ROC curve was constructed to determine AUC. Results: Of 176 patients, 57,386% died. The multivariate analysis determined that male sex (RPa = 1,412) and OI (RPa = 1,042) were significantly associated with mortality. However, the sequential organ failure assessment score (SOFA), the presence of comorbidities and blood glucose levels do not present statistical significance. In the ROC curve of OSI and OI, it is found that both present statistical significance (p <0.05), but OI has greater diagnostic validity with AUC 0.7728 (95% CI 0.6775-0.8681) (p = 0.0486). Conclusion: ISO and OI are valid as predictors of mortality in critically ill patients on invasive mechanical ventilation with severe acute respiratory distress syndrome due to COVID-19, but OI is the one that presents greater validity.
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