Skip Navigation LinksHome > May/June 2014 - Volume 34 - Issue 3 > Reliability of Abstracting Performance Measures: RESULTS OF...
Journal of Cardiopulmonary Rehabilitation & Prevention:
doi: 10.1097/HCR.0000000000000048
Cardiac Rehabilitation


Thomas, Randal J. MD, MS; Chiu, Jensen S. MHA; Goff, David C. Jr MD, PhD; King, Marjorie MD; Lahr, Brian MS; Lichtman, Steven W. EdD; Lui, Karen RN, MS; Pack, Quinn R. MD; Shahriary, Melanie BSN, RN

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BACKGROUND: Assessment of the reliability of performance measure (PM) abstraction is an important step in PM validation. Reliability has not been previously assessed for abstracting PMs for the referral of patients to cardiac rehabilitation (CR) and secondary prevention (SP) programs. To help validate these PMs, we carried out a multicenter assessment of their reliability.

METHODS: Hospitals and clinical practices from around the United States were invited to participate in the Cardiac Rehabilitation Referral Reliability (CR3) Project. Twenty-nine hospitals and 23 outpatient centers expressed interest in participating. Seven hospitals and 6 outpatient centers met participation criteria and submitted completed data. Site coordinators identified 35 patients whose charts were reviewed by 2 site abstractors twice, 1 week apart. Percent agreement and the Cohen κ statistic were used to describe intra- and interabstractor reliability for patient eligibility for CR/SP, patient exceptions for CR/SP referral, and documented referral to CR/SP.

RESULTS: Results were obtained from within-site data, as well as from pooled data of all inpatient and all outpatient sites. We found that intra-abstractor reliability reflected excellent repeatability (≥90% agreement; κ ≥ 0.75) for ratings of CR/SP eligibility, exceptions, and referral, both from pooled and site-specific analyses of inpatient and outpatient data. Similarly, the interabstractor agreement from pooled analysis ranged from good to excellent for the 3 items, although with slightly lower measures of reliability.

CONCLUSIONS: Abstraction of PMs for CR/SP referral has high reliability, supporting the use of these PMs in quality improvement initiatives aimed at increasing CR/SP delivery to patients with cardiovascular disease.

© 2014 Wolters Kluwer Health | Lippincott Williams & Wilkins


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