Is retrospective assessment of health-related quality of life valid?
Andrew LawsonAidan C TanJustine NaylorIan A HarrisPublished in: BMC musculoskeletal disorders (2020)
Agreement between prospective and retrospective measurements was high at a group level and moderate to substantial at an individual level. Retrospective measurement of HRQoL using the EQ-5D-5L in an orthopaedic clinical context is a valid alternative to using reference data to estimate baseline or pre-morbid health status.