Minimal clinically important difference for pain on the VAS scale and the relation to quality of life in women with endometriosis

Conclusion If the patients have a pain level of at least 50mm on VAS scale at inclusion, the cut off for success in clinical trials is suggested to be defined as an either >40mm or a >50% decrease on VAS scale. Trial registry ClinicalTrials.gov Identifier: NCT01329796.
Source: Sexual and Reproductive Healthcare - Category: Reproduction Medicine Source Type: research