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A Comparison of Patient Self-administered and Investigator-administered Measurement of Quality of Recovery Using the QoR-40

Department of Anaesthesia and Perioperative Medicine, Alfred Hospital, Melbourne, Victoria, Australia


A 40-item questionnaire (the QoR-40) had been previously developed to measure five dimensions of quality of recovery after anaesthesia and surgery. Each of the 40 items is rated on a scale of 1 to 5, with a maximum score of 200. In this study we compared patient self-administered with investigator-administered QoR-40. We studied 62 postoperative patients within 48 hours of their surgery. Agreement between the two methods was analysed using the intraclass correlation coefficient, bias and limits of agreement. There was strong correlation between the investigator-administered and patient self-administered QoR-40 scores, intraclass correlation coefficient 0.86 (95% CI: 0.77 to 0.92), P <0.001. The bias and limits of agreement were 3.1 and -22 to 28, respectively. There were 10 (16%) patient self-administered questionnaires that were not completed at first attempt. The time to complete the questionnaire when investigator-administered was 253 (16) s [mean,(SD)], and on first attempt for patients was 362 (19) s, P<0.001. The QoR-40 is as valid measure of postoperative recovery when administered with the assistance of an investigator as compared with the patient self-administered version. Investigator-administered measurement of the QoR-40 is a more efficient use of resources, as complete and more timely data are collected.

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