Properties of proxy-derived modified Rankin Scale assessment

International Journal of Stroke : Official Journal of the International Stroke Society
Kate S McArthurTerence J Quinn

Abstract

Cognitive or communication issues may preclude direct modified Rankin Scale interview, necessitating interview with a suitable surrogate. The clinimetric properties of this proxy modified Rankin Scale assessment have not been described. To describe reliability of proxy-derived modified Rankin Scale and compare with traditional direct patient interview. Researchers assessed consenting stroke inpatients and their proxies using a nonstructured modified Rankin Scale approach. Paired interviewers (trained in modified Rankin Scale) performed independent and blinded modified Rankin Scale assessment of patients and appropriate proxies. Interobserver variability and agreement between patient and proxy modified Rankin Scale were described using kappa statistics (k, 95% confidence interval) and percentage agreement. Ninety-seven stroke survivors were assessed. Proxies were family members (n = 29), nurses (n = 50), or physiotherapists (n = 25). Median modified Rankin Scale from both patient and proxies was 3 [interquartile range (IQR): 2-4]. Reliability for patient modified Rankin Scale interview was weighted kappa = 0·70 (95% confidence interval: 0·30-1·00). Reliability for proxy modified Rankin Scale weighted kappa = 0·62 (95% confidence...Continue Reading

References

Nov 1, 1995·Stroke; a Journal of Cerebral Circulation·R de HaanN Aaronson
Feb 1, 1997·Journal of Clinical Epidemiology·P V GrootendorstW Furlong
Jun 3, 2000·Stroke; a Journal of Cerebral Circulation·P W DuncanD T Wade
Sep 7, 2002·Stroke; a Journal of Cerebral Circulation·J T Lindsay WilsonIan Bone
Feb 6, 2004·Clinical and Experimental Pharmacology & Physiology·John Ludbrook
Jun 30, 2007·Stroke; a Journal of Cerebral Circulation·Terence J QuinnMatthew R Walters
Sep 6, 2008·Stroke; a Journal of Cerebral Circulation·Terence J QuinnKennedy R Lees
Aug 8, 2009·International Journal of Stroke : Official Journal of the International Stroke Society·T J QuinnK R Lees
Aug 15, 2009·Stroke; a Journal of Cerebral Circulation·Terence J QuinnKennedy R Lees
Apr 3, 2010·Stroke; a Journal of Cerebral Circulation·Jeffrey L SaverUNKNOWN FAST-MAG Investigators and Coordinators
Jun 18, 2010·Journal of Stroke and Cerebrovascular Diseases : the Official Journal of National Stroke Association·Colin Oczkowski, Martin O'Donnell

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Citations

Sep 21, 2013·Stroke; a Journal of Cerebral Circulation·Myzoon AliUNKNOWN VISTA Collaboration
Mar 30, 2019·Current Opinion in Critical Care·Kirstie L HaywoodGavin D Perkins
Apr 11, 2018·Frontiers in Neurology·Martin Taylor-RowanTerence J Quinn

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