• Johannes C N de Vlieger, Willem H Luiting, Jessica Lockyer, Peter Meyer, Joke Fleer, Robbert Sanderman, and WietaschJ K GötzJKGDepartment of Anesthesiology, University Medical Centre Groningen, Hanzeplein 1, 9937 GZ, Groningen, the Netherlands..
• Department of Anesthesiology, University Medical Centre Groningen, Hanzeplein 1, 9937 GZ, Groningen, the Netherlands. j.c.n.de.vlieger@umcg.nl.
• BMC Anesthesiol. 2022 Aug 1; 22 (1): 243.

BackgroundThe 15-item Quality of Recovery-15 (QoR-15) scale is strongly recommended as a standard patient-reported outcome measure assessing the quality of recovery after surgery and anesthesia in the postoperative period. This study aimed to validate the Dutch translation of the questionnaire (QoR-15NL).Materials And MethodsAn observational, prospective, single-centre cohort study was conducted. Patients who underwent surgery under general anesthesia completed the QoR-15NL (preoperatively (t1) and twice postoperatively (t2 and t3)) and a visual analogue scale (VAS) for general recovery at t2. A psychometric evaluation was performed to assess the QoR-15NL's validity, reliability, responsiveness, reproducibility and feasibility.ResultsTwo hundred and eleven patients agreed to participate (recruitment rate 94%), and 165 patients were included (completion rate 78%). The QoR-15NL score correlated with the VAS for general recovery (rs = 0.59). Construct validity was further demonstrated by confirmation of expected negative associations between the QoR-15NL and duration of surgery (rs = -0.25), duration of Post Anesthesia Care Unit stay (rs = -0.31), and duration of hospital stay (rs = -0.27). The QoR-15NL score decreased significantly according to the extent of surgery. Cronbach's alpha was 0.87, split-half reliability was 0.8, and the test-retest intra-class coefficient was 0.93. No significant floor- or ceiling effect was observed.ConclusionThe QoR-15NL scale is a valid, easy-to-use, and reliable outcome assessment tool with high responsiveness for patient-reported quality of recovery after surgery and general anesthesia in the Dutch-speaking population. The QoR-15NL's measurement properties are comparable to the original questionnaire and other translated versions.Trial Registrationnot applicable.© 2022. The Author(s).

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