Timing and interpretation of postoperative WHODAS 2.0 assessment

Timing and interpretation of postoperative WHODAS 2.0 assessment We read with interest the systematic review by Boerlage et al. [1], which provides a useful overview of the use and reporting of the World Health Organization Disability Assessment Schedule 2.0 (WHODAS 2.0) in peri-operative research.We would like to add several points regarding postoperative measurement time-points and changes in mean scores.The WHODAS 2.0 score asks patients about difficulties experienced during the previous 30 days [2].Therefore, a