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The Polish MacNew heart disease heath-related quality of life questionnaire: a validation study

Joanna M Moryś1, Stefan Höfer, Andrzej Rynkiewicz

  • 1Department of Clinical Psychology, Medical University of Gdansk, Gdansk, Poland 1st Cardiology Clinic, Medical Univer sity of Gdansk, Gdansk, Poland. jmmorys@gmail.com.

Cardiology Journal
|May 26, 2015
PubMed

Insights

The Polish MacNew questionnaire reliably and validly measures quality of life in patients with coronary artery disease (CAD), including angina, myocardial infarction, and heart failure.

Area of Science:

  • Cardiology
  • Health Outcomes Research
  • Psychometrics

Background:

  • The MacNew questionnaire assesses quality of life in patients with coronary artery disease (CAD).
  • It evaluates physical, emotional, and social functioning impacted by stable CAD with angina, ST-elevation myocardial infarction (STEMI), and ischemic heart failure (HF).
  • The study aimed to validate the Polish version of the MacNew for CAD patients.

Purpose of the Study:

  • To determine the reliability and validity of the Polish version of the MacNew questionnaire.
  • To assess its suitability for patients diagnosed with stable coronary artery disease (CAD), ST-elevation myocardial infarction (STEMI), and ischemic heart failure (HF).

Main Methods:

  • Patients with CAD (n=332) completed sociodemographic, clinical, MacNew, Short-Form 36 Health Survey (SF-36), and HADS questionnaires.
  • A subset (10%) completed questionnaires again after two weeks to assess reliability.
  • Internal consistency, factor structure, convergent, and discriminant validity were analyzed.

Main Results:

  • High internal consistency reliability (Cronbach's alpha 0.86–0.95) was found for the Polish MacNew.
  • The original 3-factor structure was confirmed, explaining 53.5% of the variance.
  • Convergent and discriminant validity were demonstrated when compared with the SF-36, supporting its accuracy across different CAD diagnoses.

Conclusions:

  • The Polish version of the MacNew questionnaire is a reliable and valid tool for assessing health-related quality of life.
  • It is recommended for use in patients with stable CAD, myocardial infarction, and heart failure in Poland.
Abstract

Keywords:
MacNew validationcoronary artery diseasehealth-related quality of life

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