The statistical analysis was performed by Sigmastat (Microsoft, Erkrath, Germany) according to the data quality descriptively or analytically by Mann–Whitney U test for ordinal distributed data or t-test for independent samples for normally distributed data. A paired t-test or a signed-rank test was performed to compare dependent data. The data was also described according to the data quality in (%) or as mean ± SEM. A level of significance as p < 0.05 was accepted.
Do you have any questions about this protocol?
Post your question to gather feedback from the community. We will also invite the authors of this article to respond.