COVID-19 Research Paper Volume 13, Issue 20 pp 23442—23458

Serum amylase elevation is associated with adverse clinical outcomes in patients with coronavirus disease 2019

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Figure 4. Dynamic profile of serum amylase in patients with COVID-19 pneumonia. (A) Kernel density estimates using Gaussian kernels to display serum amylase distributions between survived patients and those who died of COVID-19. (B) Smooth trajectories of mean amylase between survived and deceased patients with 95% confidence band based on GAM.