Correction to: Bulletin of the National Research Centre (2021) 45:199 https://doi.org/10.1186/s42269-021-00655-2

Following publication of the original article [1], the authors identified an error in Table 5. The correct table is given below.

Table 5 Descriptive statistics and results of Fisher’s Exact test for comparison between the four groups

Kindly use the table uploaded in this article package.

The original article [1] has been corrected.