Anesthesiology
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The World Health Organization Disability Assessment Schedule 2.0 has been used to measure postoperative disability in several clinical trials and cohort studies. It is uncertain what the minimal clinically important difference or patient-acceptable symptom state scores are for this scale in patients recovering from surgery. ⋯ A change in World Health Organization Disability Assessment Schedule 2.0 score of 5% or more after surgery is consistent with a clinically important change in disability. Patients with a score less than 16% after surgery have an acceptable symptom state and can be considered as disability-free, whereas patients with a score of 35% or more can be considered as having at least moderate clinically significant disability.