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
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.