Supplementary Fig. 1.
The dynamic changes of total neutrophil count and white blood cell count in patients hospitalized with respiratory virus infections by Legendre orthogonal polynomials. Note: Nbest refers to the appropriate order of fit for LOP by the Bayesian information criterion method. Other respiratory viruses included respiratory syncytial virus, parainfluenza virus, human rhinovirus, coronavirus, human metapneumovirus and adenovirus. Abbreviations: SARS-CoV-2, severe acute respiratory syndrome coronavirus 2; LOP, Legendre orthogonal polynomials