====== 行为结局（Performance Outcome, PerfO） ======

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　　**行为结局（Performance Outcome, PerfO）评估**：A type of clinical outcome assessment. A measurement based on standardized task(s) actively undertaken by a patient according to a set of instructions.(([[https://www.ncbi.nlm.nih.gov/books/NBK338448/def-item/glossary.performance-outcome|www.NCBI.nlm.nih.gov]]))

　　A PerfO assessment may be administered by an appropriately trained individual or completed by the patient independently. 

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===== PerfO assessments include: =====

　　**Measures of gait speed** (e.g., timed 25 foot walk test using a stopwatch or using sensors on ankles)

　　**Measures of memory** (e.g., word recall test)