The aim of this study is to test the Korean version of QoR-15 for its validity and clinical acceptability and feasibility.
Quality of recovery (QoR) after anesthesia is an important measure of the early postoperative health status of patients. The QoR-40 is a widely-used questionnaire for postoperative patients and the short-form version of it (QoR-15) was developed in 2013. The validation of QoR-15 has been reported in the version of English, Portuguese, Danish, Chinese and Swedish. However, the study to validate the Korean version of QoR-15 has not been demonstrated. Patients undergoing surgery and general anesthesia are asked by the investigators to complete the QoR-15 questionnaire and Korean 36-Item Short Form Health Survey (SF-36) a day before surgery. They are then asked to repeat the QoR-15 questionnaire 24 h postoperatively and also rate their overall postoperative pain score using 11-point numeric rating scale (NRS).
Study Type
OBSERVATIONAL
Enrollment
200
The QoR-15 is the questionnaire to provide an evaluation of the postoperative quality of recovery. Patients undergoing surgery and general anesthesia are asked by the investigators to complete the QoR-15 questionnaire before and 24h after the surgery.
Seoul National University Hospital
Seoul, South Korea
Convergent Validity of the QoR (Quality of Recovery)-15
The QoR-15 (0-150) is compared with the global QoR visual analog scale (VAS) (0-100), 36-Item Short Form Health Survey (SF-36) and interitem correlations are measured.
Time frame: 24 hours after the surgery
Construct Validity of the QoR (Quality of Recovery)-15
To investigate if there is an correlation between the QoR-15 (0-150) and age (yr), gender (male/female), American Society of Anesthesiologists (ASA) physical status (I-IV), type of surgery (minor/major), postoperative complication (Clavien Dindo grade II or high, %) and 11-point numeric rating scale (NRS) pain score.
Time frame: 24 hours after the surgery
Discriminant Validity of the QoR (Quality of Recovery)-15
To investigate if there is differences in the QoR-15 (0-150) and postoperative complications (Clavien Dindo grade II or high, %) between the high QoR score group and low QoR score group
Time frame: 24 hours after the surgery
Reliability of the QoR (Quality of Recovery)-15
Compare the two QoR-15 results measured at 60 minutes intervals using an intraclass correlation coefficient, and calculate the Cronbach alpha to investigate the internal consistency.
Time frame: 24 hours after the surgery
Response success rate of the QoR-15
Defined as success if the patient has answered all items.
Time frame: A day before and 24 hours after the surgery
Correlation of postoperative outcomes with QoR-15
To investigate if there is an correlation between the QoR-15 (0-150) at POD1 and length of hospital stay (day), postoperative complications (Clavien Dindo grade II or high, %), C-reactive protein (mg/L) at POD1, Granulocyte/lymphocyte ratio at POD1, readmission rate within 1 month
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Time frame: 24 hours after the surgery