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Comment & Response |

Instrument for Predicting Early Stroke Recurrence: Ambiguity and Biases

Shah Mohammed Faisal, MD1; Amith S. Kumar, MD1; Aastha Takkar, MD, DM1
[+] Author Affiliations
1Department of Neurology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
JAMA Neurol. 2016;73(8):1030-1031. doi:10.1001/jamaneurol.2016.1724.
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To the Editor The Recurrence Risk Estimator has been put forward as a web-based prognostic score that integrates clinical and imaging information available in the acute setting to quantify early risk for recurrence of stroke.1 The validity of a prognostic score was examined in a multicenter study by Arsava et al,2 which aptly assessed the external validity and transferability of the Recurrence Risk Estimator. We would like to put forward the following fallacies we noted in this study.


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August 1, 2016
Ethem Murat Arsava, MD; Hakan Ay, MD
1Department of Neurology, Hacettepe University Faculty of Medicine, Ankara, Turkey
2A. A. Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston3Stroke Service, Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston
JAMA Neurol. 2016;73(8):1031-1032. doi:10.1001/jamaneurol.2016.1727.
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