Figure legends
Figure 1. Comparison of the serum periostin levels in controls and COVID-19 cases at different time points
Figure 2. Comparison of the serum TGF-\(\beta\) levels in controls and COVID-19 cases at different time points.
Figure 3. Correlation coefficients and P values of the Spearman rank correlations between different variables. (A) Periostin and lymphocyte count, (B) TGF-\(\beta\) and lymphocyte count. TGF-\(\beta:\ \)transforming growth factor-beta