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Background: In this study, we investigated the predictive value of routine coagulation parameters including D-dimer, Prothrombin Time (PT), International Normalized Ratio (INR), activated Partial Thromboplastin Time (aPTT) and Complete Blood Count (CBC) test parameters in children with COVID-19 infection.
Methods: Retrospective and observational study carried out in Abuzar Hospital, Ahvaz Jundishapur University of Medical Sciences (Ahvaz, Iran) included COVID-19 patients.
Results: Deceased patients (n = 5) compared to alive patients (n = 76) showed higher RDW (p = 0.005), PT (p = 0.005), INR (p = 0.004), PTT (p = 0.009), platelet count (p < 0.001), PLR (p < 0.001), and hospitalization time (p < 0.001). The area under the curve (AUC) of RDW was 0.85 (95% CI 0.75 - 0.96) which indicates its high power for mortality prediction in hospitalized children with COVID-19. We did not find significant differences in parameters in comparison between different severities.
Conclusions: To our knowledge, our study is one of the few studies to evaluate routine coagulation tests and the CBC test parameters predictive value in children with COVID-19. RDW has the most power to predict the mortality of children with COVID-19, followed by PT, INR, aPTT, platelet count, PLR, and hospitalization time have a high power to predict the risk of death in patients.
DOI: 10.7754/Clin.Lab.2021.210746
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