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December 1989

Validity of Outcome Following Stroke Rehabilitation-Reply

Arch Neurol. 1989;46(12):1271. doi:10.1001/archneur.1989.00520480013008

In Reply.  —Vanclay and Shah address concerns about the statistical analysis and completeness of data in our manuscript, "Multivariate Analysis of Improvement and Outcome Following Stroke Rehabilitation" in their letter. Please note our response to their concerns.1. They contend that we ignored fundamental issues related to sample appropriateness, diagnosis, comorbidity, timing, and use of an activities of daily living measure of unknown reliability and validity.We believe the sample of rehabilitation inpatients was appropriate for study. The sample was composed of patients admitted for their first stroke rehabilitation, a population that comprises a large number of rehabilitation cases in the United States and in other countries. All patients' had a primary diagnosis of stroke, and presented the usual range of comorbidities found in this population. The timing of functional assessment, at admission and discharge, is reasonable, since we wanted to observe changes that occurred during patients' stays. The Barthel Index has