Development of the Lymphoedema Patient Reported Outcome Measure (LYMPROM).

To ensure lymphoedema patients in Wales receive the right care, at the right time, by the right person, patient-reported outcome measures (PROMs) were routinely completed within the All-Wales lymphoedema assessment documentation. This evaluation describes the development of the Lymphoedema Patient Reported Outcome Measure (LYMPROM), which is a tool developed by Lymphoedema Network Wales clinicians and key stakeholders. The tool was explored for face, form and content validity during 3 months in 2019; 128 anonymised completions of LYMPROM were reviewed to establish feasibility, acceptability and internal validity using Cronbach's alpha. LYMPROM was feasible and acceptability was high. Face and content validity were reported (i-CVI [item content validity index] range=0.43 - 1; s-CVI/Ave=0.94) and internal consistency was excellent (0.958). LYMPROM was easily integrated within lymphoedema services in Wales, promoting patient-led care and supporting value-based health care. Further evaluations of reliability and validity of LYMPROM are proceeding along with digital integration.