7696dc53_care_Research___Quality__AHRQ___Title_V
[Factors] Suitable for comparing? [CAHPS®] Yes, if CAHPS® specifications followed. [HCUP QIs] Not designed for comparisons. [HEDIS®] Yes, if HEDIS® specifications followed. [Title V] 
Yes, if involved users adopt and adhere to identical, rigorous methodological specifications.
Factors for Selecting Performance Measures | Agency for Healthcare Research & Quality (AHRQ)