*Correlations between quantitative variables have been presented by
Pearson correlation coefficient (r) measured by bivariate analysis. The
comparison between categorical variables in terms of cortisol and
aldosterone serum levels has been analyzed by independent sample t-test
and ANOVA tests.
Table 4. Odds ratio and
95% confidence interval (95% CI) estimated by GEE analysis with
unstructured model to determine the observed symptoms progression of
COVID-19 and the associations with demographic, blood groups, and
laboratory parameters among infected patients