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Published: Patient-reported questionnaires to preoperatively identify high-risk surgical patients
Purpose: Low cardiorespiratory fitness (CRF) increases the risk of postoperative morbidity and mortality following major surgery. Assessing CRF preoperatively, by measuring peak oxygen uptake (VO2peak) during cardiopulmonary exercise testing (CPET), is...
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Published: Test-retest reliability of the FitMáx©-questionnaire in a clinical and healthy population
Purpose: The FitMáx© was developed as a questionnaire-based instrument to estimate Cardiorespiratory Fitness (CRF) expressed as oxygen uptake at peak exercise (VO2peak). Test-retest reliability is a clinometric measurement property, which defines...
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Published: Estimating VO2peak in 18-90 Year-Old Adults: Development and Validation of the FitMáx©-Questionnaire
Purpose: Cardiorespiratory fitness (CRF) plays an essential role in health outcomes and quality of life. However, it is often not assessed nor estimated. Objective CRF assessment is costly, labour intensive and not widely available. Patient-reported...