Literature reviews, quality improvement studies, case reports, and opinions from nationally recognized experts are Level V evidence according to the Johns Hopkins EBP model. They are assessed using Nonresearch Evidence Appraisal Tool (Appendix F)(available in the ebook).
Dang, D., Dearholt, S., Bissett, K., Ascenzi, J., & Whalen, M. (2022). Johns Hopkins evidence-based practice for nurses and healthcare professionals: Model and guidelines. 4th ed. Sigma Theta Tau International