Final answer:
A level 5 study on the USC Evidence Pyramid refers to a Systematic review without meta-analysis.
Step-by-step explanation:
A level 5 study on the USC Evidence Pyramid refers to a Systematic review without meta-analysis. This type of study involves a comprehensive search of the existing literature on a specific topic and a critical evaluation of the included studies. It provides a high level of evidence and is considered reliable in guiding healthcare decisions.