Validation of Chinese version of a global anesthetic recovery questionnaire: A multicenter observational trial on ObsQoR-11

Abstract

The obstetric quality of recovery (ObsQoR-11) is considered one of the best patient-reported outcome measures of post-cesarean recovery. However, it has been neither validated in Chinese nor evaluated at >24h after delivery. Parturients from three hospitals (n=279) completed the Chinese ObsQoR-11 at 24h (T1) and 96h (T2) after elective cesarean delivery. Convergent validity was assessed by correlation of Chinese ObsQoR-11 with a 100-mm numerical rating scale (NRS) of general health status; discriminant validity of good recovery (NRS ≥ 70-mm); and construct validity by correlation with influential factors to post-cesarean recovery. The reliability and responsiveness were also assessed. The Chinese ObsQoR-11 correlated moderately with the NRS [T1: r=0.38 (95% confidence interval: 0.28-0.48), p<0.0001; T2: r=0.43 (95% confidence interval: 0.32-0.52), p<0.0001] and discriminated between good and poor recovery [T1: mean (SD) score: 64 (20) vs 49 (17), p<0.0001; T2: median (IQR) score: 81 (66-94) vs. 61 (53-72); p=0.0002]; weakly correlated with gestational age, successful breastfeeding, and operation time. It was reliable (internal consistency: 0.75 (T1) and 0.82 (T2); split-half: 0.77 (T1) and 0.85 (T2); test-retest intraclass correlation coefficient r>0.6 for each item) and responsive (Cohen effect size: 0.88; standardized response mean: 0.81). The Chinese ObsQoR-11may be used for assessing recovery at 24h and 96h after cesarean delivery. However, its' cutoff value for good recovery may be lower than that of other versions.