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RCVS2 score performance

RCVS2 score performance
RCVS2 score Specificity Sensitivity PPV NPV
Derivation cohort
Score 5 or higher* 99 (93, 100) 90 (73, 98) 96 (82, 100) 96 (90, 99)
Score 3 or 4* 86 (77, 93) 10 (2, 27) 21 (5, 51) 72 (62, 80)
Score 2 or lower 100 (88, 100) 85 (75, 92) 100 (95, 100) 71 (55, 84)
Validation cohort
Score 5 or higher* 94 (82, 99) 86 (80, 91) 98 (94, 100) 67 (54, 78)
Score 3 or 4* 83 (69, 92) 11 (6, 17) 68 (46, 85) 22 (16, 28)
Score 2 or lower 96 (92, 99) 77 (62, 88) 86 (71, 95) 93 (88, 97)

NPV: negative predictive value; PPV: positive predictive value; RCVS: reversible cerebral vasoconstriction syndrome.

* Values for a RCVS diagnosis.

¶ Values for a non-RCVS diagnosis.

Reproduced with permission from Wolters Kluwer Health, Inc.: Rocha EA, Topcuoglu MA, Silva GS, Singhal AB. RCVS2 score and diagnostic approach for reversible cerebral vasoconstriction syndrome. Neurology 2019; 92(7):e639-e647. Copyright © 2019 American Academy of Neurology. All rights reserved. https://www.neurology.org/journal/wnl. Wolters Kluwer Health and American Academy of Neurology take no responsibility for the accuracy of the translation from the published English original and are not liable for any errors which may occur. No drug brand/ trade name or logo can be included in the same page as the material reused. Opinions expressed by the authors and advertisers are not necessarily those of the American Academy of Neurology, its affiliates, or of the Publisher. The American Academy of Neurology, its affiliates, and the Publisher disclaim any liability to any party for the accuracy, completeness, efficacy, or availability of the material contained in this publication (including drug dosages) or for any damages arising out of the use or non-use of any of the material contained in this publication.
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