The IPA, a Modified Numerical System for Pain Assessment and Intervention.
Rahul VaidyaAusten WashingtonSasha A StineAndreea GeamanuIan L HudsonPublished in: Journal of the American Academy of Orthopaedic Surgeons. Global research & reviews (2021)
The IPA is a valid pain scale and has exhibited strong correlation with the NRS 0 to 10, displays simple minimally clinical important difference calculation, and provides meaningful information on the effect of pain control modulation.