Statistical Analysis
Smell and taste assessment were reported using data from the scales which have been treated as quantitative real values. Categorical variables were reported as a proportion while quantitative variables as median and ([25-75 quartile] range) where appropriate. Comparison of the baseline, worst and 14-days smell and taste perception was performed using Friedman’s test. All statistical analysis has been performed using R 3.6.3, [R Core Team (2020). R: A language and environment for statistical computing. R Foundation for Statistical Computing, Vienna, Austria.] A p value < 0.05 was considered significant.