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February 3, 1999


Author Affiliations

Margaret A.WinkerMD, Deputy EditorIndividualAuthorPhil B.FontanarosaMD, Interim Co-EditorIndividualAuthor


Copyright 1999 American Medical Association. All Rights Reserved. Applicable FARS/DFARS Restrictions Apply to Government Use.1999

JAMA. 1999;281(5):420. doi:10-1001/pubs.JAMA-ISSN-0098-7484-281-5-jbk0203

In Reply: In reply to the question raised by Drs Kario and Pickering, we do not have any data regarding the status of hypertensive treatment at the time of onset of the stroke in the patients we studied. We designed this study primarily as a study of the predictive value of baseline risk factors, not as a longitudinal study of time-dependent risk factors. The best that we can offer is that 41 patients (20 with normal oxygen extraction fraction and 21 with increased oxygen extraction fraction) were taking antihypertensive medication at the time of entry into the study.

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