[What does "power of the study" mean? How to compute the power of a study? How to compute the number of subjects needed for a trial?].
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POVs may be the most appropriate choice for persons who are at risk of catastrophic injury, disability, or death should they be placed in a compromised position relative to their medical conditions. There is no panacea for successfully securing Medicare reimbursement particularly in light of coverage variations between DMERCs/intermediaries and the shifting sands of coverage policy. However, the guidelines outlined here may assist therapists who wish to serve as patient advocates in establishing the medical necessity of RT prescriptions.
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