1. Was a statistical power analysis conducted and what did it indicate?
2. Were data analyzed using an on-protocol or intention-to-treat analysis or both?
3. If intention-to-treat analysis was used, what method was used toaccount for missing data?
4. Were both descriptive and inferential statistics applied to the results?
5. Were the statistical analyses appropriate for the level of data collected (nominal, ordinal, interval or ratio)?

6. Were the statistical analyses appropriate to test the hypotheses and answer the research questions?

Reference

Garaud, T., Gervais, C., Szekely, B., Michel- Cherqui, M., Dreyfus, J.- F., & Fischler, M. (2018, December). Randomized study of the impact of a therapeutic education program on patients suffering from chronic low-back pain who are treated with transcutaneous electrical nerve stimulation. Medicine. Retrieved 2023, from https://journals.lww.com/md-journal/Fulltext/2018/12280/Randomized_study_of_the_impact_of_a_therapeutic.34.aspx