Stroke Performance Measures Do Not Predict Functional Outcome

Archived Abstract of Former PSC Researcher

Adelman, Eric E., Lynda Diane Lisabeth, Brisa N. Sanchez, James F. Burke, Lesli E. Skolarus, Melinda A. Smith, Jonggyu Baek, Erin C. Case, et al. 2017. "Stroke Performance Measures Do Not Predict Functional Outcome." The Neurohospitalist, 7(3): 113-121.

Background and Purpose:Poststroke functional outcome is critical to stroke survivors. We sought to determine whether adherence to current stroke performance measures is associated with better functional outcome 90 days after an ischemic stroke.Methods:Utilizing the Brain Attack Surveillance in Corpus Christi cohort, we examined adherence to 7 ischemic stroke performance measures from February 2009 to June 2012. Adherence to the measures was analyzed in aggregate using a binary defect-free score and an opportunity score, representing the proportion of eligible measures met. The opportunity score ranges from 0 to 1, with values closer to 1 implying better adherence. Functional outcome, defined by an activities of daily living and instrumental activities of daily living (ADL/IADL) score (range 1-4, higher scores worse), was ascertained at 90 days poststroke. Tobit regression models were fitted to examine the associations between the performance measures and functional outcome, adjusting for demographic and clinical characteristics, including stroke severity.Results:There were 565 patients with ischemic stroke included in the analysis. The median ADL/IADL score was 2.32 (interquartile range [IQR]: 1.41-3.41). The median opportunity score was 1 (IQR: 0.8-1), and 58.4% of the patients received defect-free care. After adjustment, the opportunity score (P = .67) and defect-free care (P = .92) were not associated with functional outcome.Conclusion:In this population, adherence to a composite of current stroke performance measures was not associated with poststroke functional outcome after adjustment for other factors. Performance measures that are associated with improved functional outcome should be developed and incorporated into stroke quality measures.


stroke inpatient quality outcomes

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