Darwish, Maram, Palmer, Robert I., Coulson, James, Withers, Kathleen and Bosanquet, David C.
2026.
UK validation of the first vascular surgery Patient Reported Experience Measure (PREM): the PREMIERE study.
European Journal of Vascular and Endovascular Surgery
10.1016/j.ejvs.2026.07.005
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Abstract
Objective: The aim of this study was to psychometrically validate a vascular surgery specific Patient Reported Experience Measure (PREM). Methods: The PREM was developed through a multiphase process involving systematic review, qualitative multicentre validation study within a multiphase instrument development programme, patient interviews, and healthcare professional focus groups. The present study reports its validation across three UK vascular units. Psychometric evaluation followed COnsensus-based Standards for the selection of health Measurement INstruments (COSMIN) guidance, assessing item reduction, factor structure, internal consistency (Cronbach’s α), construct validity, feasibility, and acceptability. Results: A total of 240 patients completed the PREM (mean age 69.1 years; 61.3% men). The 22 item instrument was reduced to 14 items following psychometric evaluation. Feasibility was high, with > 95% item completion for 12 of 14 items, mean completion time of 7 minutes, and 82.1% of questionnaires completed independently. Exploratory factor analysis supported a five domain structure, explaining 58.6% of the variance : information and communication, shared decision making, access and timeliness, in patient support and overall experience, and discharge and follow up. Internal consistency was acceptable across domains (α = 0.70 – 0.78) and for the overall scale (α = 0.71). PREM scores were lower with longer hospital stay (r = –0.36, p < .01) and emergency admission (r = –0.15, p = .032), and higher with increasing time since discharge (r = .14, p = .041). Key predictors of overall satisfaction included communication, staff availability, timeliness, pain management information, and emotional support. Conclusion: This vascular specific PREM is a concise, reliable, and valid instrument, feasible for routine use and sensitive to clinically meaningful variation, supporting patient centred evaluation of vascular services.
| Item Type: | Article |
|---|---|
| Date Type: | Published Online |
| Status: | In Press |
| Schools: | Schools > Medicine |
| Additional Information: | RRS policy applied |
| Publisher: | Elsevier |
| ISSN: | 1078-5884 |
| Date of First Compliant Deposit: | 21 July 2026 |
| Date of Acceptance: | 2 July 2026 |
| Last Modified: | 21 Jul 2026 13:45 |
| URI: | https://orca.cardiff.ac.uk/id/eprint/188343 |
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