The Discrepancy and Agreement between Patient-Reported Percentage Pain Reduction and Calculated Percentage Pain Reduction in Chronic Pain Patients

• Main Authors: Adam B. Fink (Author), Charmaine Ong (Author), Moez K. Sumar (Author), Neil C. Patel (Author), Nebojsa Nick Knezevic (Author)
• Format: Book
• Published: MDPI AG, 2023-04-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Two derivatives of the numeric rating scale (NRS) and visual analog scale (VAS), namely patient-reported percentage pain reduction (PRPPR) and calculated percentage pain reduction (CPPR), are commonly used when evaluating pain reduction. A small number of studies have attempted to assess the agreeme...