Translation and Validation of the Korean Version of the Postoperative Quality of Recovery Score QoR-15
Table 3
Mean, change, responsiveness, test-retest reliability, and corrected total item correlation of postoperative QoR-15K.
QoR-15K item
Postoperative score
Baseline score
Change from baseline
Cohen’s effect size
Standardized response mean
Test-retest reliability
Corrected item total correlation
(1) Able to breathe easy
0.55
0.40
0.862 (0.809–0.900)
0.524
(2) Been able to enjoy food
1.58
1.22
0.832 (0.768–0.878)
0.428
(3) Feeling rested
0.86
0.60
0.886 (0.835–0.920)
0.720
(4) Have had a good sleep
0.70
0.55
0.894 (0.852–0.923)
0.518
(5) Able to look after personal toilet and hygiene unaided
1.50
1.08
0.908 (0.873–0.934)
0.486
(6) Able to communicate with family or friends
0.48
0.35
0.873 (0.825–0.908)
0.567
(7) Getting support from hospital doctors and nurses
0.41
0.33
0.799 (0.722–0.854)
0.315
(8) Able to return to work or usual home activities
1.90
1.50
0.903 (0.867–0.930)
0.513
(9) Feeling comfortable and in control
0.25
0.20
0.893 (0.853–0.923)
0.618
(10) Having a feeling of general well-being
0.54
0.43
0.903 (0.866–0.930)
0.626
(11) Moderate pain
1.27
0.93
0.781 (0.697–0.841)
0.518
(12) Severe pain
1.18
0.88
0.801 (0.725–0.856)
0.592
(13) Nausea or vomiting
0.34
0.28
0.816 (0.746–0.867)
0.225
(14) Feeling worried or anxious
0.13
0.11
0.870 (0.820–0.906)
0.534
(15) Feeling sad or depressed
0.06
0.06
0.905 (0.868–0.931)
0.513
Total
1.28
1.03
0.945 (0.919–0.962)
NA
QoR-15K: Korean version of QoR-15; SRM: standard response mean. Data are presented as . Test-retest was presented as Spearman’s correlation coefficient and 95% confidence interval.
