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The psychometric properties of the Russian version of the MacNew Heart Disease Health-related Quality of Life Scale in patients undergoing coronary artery bypass grafting surgery

Galit Geulayov, Neil Oldridge, Arnona Ziv, Ilia Novikov, Yaacov Drory, Rachel Dankner

Abstract


Rationale and aims: The MacNew questionnaire is a disease-specific health-related quality of life (HRQL) measure designed for patients with heart disease. We aimed to assess the psychometric properties of the Russian MacNew heart-disease health-related quality of life (HRQL) scale in patients undergoing coronary artery bypass grafting (CABG) surgery.

Methods: The sample comprised of 226 Russian-speaking CABG patients. Patients were assessed before CABG surgery and 12 months thereafter. They completed the MacNew, the Short Form-36 Health Survey (SF-36), the Hospital Anxiety and Depression Scale and a questionnaire on demographic and lifestyle habits.

Results: Of the 226 patients who completed the questionnaires at study entry, 188 (83%) also provided data after 12 months. The internal consistency of the MacNew scales was high (alpha coefficients: 0.88-0.93). There were moderate to high correlations between similar sub-scales of the MacNew and the SF-36 domains (0.69-0.80). The MacNew scales discriminated between patients varying on four variables: gender, depression, anxiety and congestive heart failure. The original 3-factor structure was generally supported. Patients’ scores on the MacNew scale improved over 12 months suggesting it was responsive to change.

Conclusions: The Russian version of MacNew was found to be a reliable and valid HRQL tool which is sensitive to change. This instrument offers clinicians and researchers a useful tool for understanding patient’s perspective of the impact of heart disease and its treatment.

Keywords


Coronary artery disease, disease-specific HRQL, multicenter study, patient-reported outcome, psychometric properties, Russian

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DOI: http://dx.doi.org/10.5750/ejpch.v1i2.684

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