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STI 20-029 – HSR Study

 
STI 20-029
Measuring Health Related Quality of Life in Veterans with Stroke
Dean M. Reker, PhD RN BS
Kansas City VA Medical Center, Kansas City, MO
Kansas City, MO
Pamela Duncan PhD MA BS
North Florida/South Georgia Veterans Health System, Gainesville, FL
Gainesville, FL
Funding Period: January 2001 - March 2003
BACKGROUND/RATIONALE:
Approximately 11,000 veterans annually are hospitalized with a newly acquired incident stroke. Based on American Heart Association ratios of stroke incidence and prevalence, up to 80,000 veterans may be stroke survivors. The assessment of outcomes in stroke survivors is important for clinical practice and research, yet there is no consensus on the best measures of stroke outcome in either clinical practice or research. We have developed a new stroke-specific outcome measure, the Stroke Impact Scale (SIS), to capture physical function and other dimensions of health-related quality of life.

OBJECTIVE(S):
The major research questions in this investigation are: 1) Does the SIS have concurrent and discriminate validity in a veteran stroke population when compared to the FIM, Rankin, and the SF-36V? 2) What effect does mode of administration have on response rates, bias, data quality, reliability and validity, SIS domain scores, and cost of data collection? 3) What factors differentiate responders and non-responders? 4) Will the SIS scores predict health care costs and utilization?

METHODS:
Using ICD-9 discharge codes and electronic medical records, patients were screened for a valid diagnosis of stroke. At three months post-stroke, patients were randomly assigned to receive a mailed SIS instrument or SIS via telephone interview. At four months post-stroke, all respondents were evaluated using the Functional Independence Measure and SF-36V by telephone.

FINDINGS/RESULTS:
Four hundred fifty-eight of 943 screened subjects in 13 VA sites of care were identified to have stroke and were randomly assigned to either a mail (n=223) or telephone survey (n=235). Response rate to the mailed survey was 44 percent and 58 percent for the telephone survey.

IMPACT:
Establishing the feasibility and use of the SIS in a veteran population is the first step in quantifying meaningful outcomes for VA stroke patients. Once established, the SIS could be used as a universal, multi-dimension stroke outcome tool to assess patient outcomes and assist in the measurement of provider performance, best practices, cost-effectiveness of stroke interventions, and quality of care.


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PUBLICATIONS:

None at this time.


DRA: Health Systems
DRE: Epidemiology
Keywords: Chronic disease (other & unspecified), VA/non-VA comparisons
MeSH Terms: none

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