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Responsiveness of the coronary revascularisation outcome questionnaire compared with the SF-36 and Seattle Angina

Sara Schroter1, Donna L Lamping

  • 1Health Services Research Unit, London School of Hygiene & Tropical Medicine, London, UK. sschroter@bmj.com

Quality of Life Research : an International Journal of Quality of Life Aspects of Treatment, Care and Rehabilitation
|August 11, 2006
PubMed

Insights

The Coronary Revascularisation Outcome Questionnaire (CROQ) shows comparable responsiveness to the Seattle Angina Questionnaire (SAQ) and superior responsiveness to the SF-36 in cardiac surgery patients. This finding aids in selecting appropriate patient-reported outcome measures.

Area of Science:

  • Cardiology
  • Health Outcomes Research
  • Medical Instrumentation

Background:

  • Assessing patient outcomes after coronary revascularisation is crucial.
  • Validated instruments are essential for measuring treatment effectiveness.
  • Comparing responsiveness of different questionnaires aids clinical decision-making.

Purpose of the Study:

  • To compare the responsiveness of the Coronary Revascularisation Outcome Questionnaire (CROQ) against the Seattle Angina Questionnaire (SAQ) and the SF-36.
  • To evaluate these instruments in patients undergoing coronary bypass surgery (CABG) and percutaneous transluminal coronary angioplasty (PTCA).

Main Methods:

  • A randomized comparison of three instruments: CROQ, SAQ, and SF-36.
  • 199 patients (127 CABG, 72 PTCA) completed questionnaires before and 3 months after revascularisation.
  • Effect sizes and standardized response means were calculated and compared using bootstrap estimation.

Main Results:

  • The CROQ demonstrated greater change in psychosocial functioning than the SF-36 for CABG patients.
  • For PTCA patients, the CROQ showed greater symptom change than the SAQ, while the SAQ was more responsive for physical functioning.
  • The CROQ was found to be as responsive as the SAQ and more responsive than the SF-36 overall.

Conclusions:

  • The CROQ is a responsive instrument for evaluating outcomes in patients after coronary revascularisation.
  • The CROQ offers a valuable alternative to the SAQ and SF-36 for assessing patient-reported outcomes in cardiology.
  • Findings support the use of the CROQ in clinical trials and practice for CABG and PTCA patients.

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