Abstract
Quality of recovery after anesthesia is an important measure of the early postoperative health status of patients. The Quality of Recovery-15 (QoR-15) questionnaire is a self-rated questionnaire used to assess the quality of postoperative recovery. This study is aimed at translating and validating the Korean version of QoR-15 (QoR-15K). One hundred fifty patients were included in this study. We translated the original version of QoR-15 into QoR-15K and evaluated its validity, reliability, responsiveness, and clinical feasibility. QoR-15K showed acceptable criterion, structure, and construct validities. Reliability was verified using Cronbach's α (0.856), standard error of measurement (10.78), split-half reliability (0.831), test-retest reliability (ρ = 0.945, P ≤ 0.001), and intraclass correlation test-retest (ρ = 0.903, P ≤ 0.001). These results represent an acceptable reliability. Responsiveness was verified using Cohen's effect size (1.39), standardized response mean (1.03), and the correlation between QoR-15K score and duration of anesthesia (ρ = −0.197, P = 0.016). These results show acceptable responsiveness. The mean ± standard deviation time to complete QoR-15K was 138.1 ± 30.7 s. QoR-15K was rated more than adequate on the COnsensus-based Standards for the selection of health Measurement INstruments checklist. In conclusion, QoR-15K shows acceptable validity, reliability, responsiveness, and clinical feasibility and may help evaluate postoperative quality of recovery in Korean populations.
Highlights
Recovery after surgery is a complex process
We developed and validated QoR-15K according to the COnsensusbased Standards for the selection of health Measurement INstruments (COSMIN) taxonomy in surgical patients [6]
The postoperative QoR-15K score negatively correlated with postoperative length of hospital stay (ρ = 0:265; P = 0:004). These results show that a lower QoR-15K score predicts a longer postoperative stay; QoR-15K has predictive validity
Summary
Many factors affect the recovery process, including the patient’s medical condition, type of surgery, adverse sequelae after surgery, and anesthesia. With the introduction of minimally invasive surgery and enhanced recovery after surgery, there is an increased need for an assessment tool to evaluate the quality of recovery [1]. The quality of recovery is assessed as recovery time, pain, nausea, postoperative complication rates, and adverse events. These parameters are essential objective components for the quality of recovery, they do not fully reflect the patient’s social and psychological recovery experience. Different patient-centered measurement tools have been developed and validated to evaluate the patient’s recovery experience [2,3,4,5]
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