Cross-Validation of Predictive Equation for Cardiorespiratory Fitness by Modified Shuttle Walk Test in Adults with Schizophrenia: A Secondary Analysis of the CORTEX-SP Study
| Autor: | Nagore Iriarte-Yoller, Mikel Tous-Espelosin, Sara Maldonado-Martín, Pedro M. Sanchez, Agurne Sampedro, Edorta Elizagarate, Sonia Ruiz de Azúa |
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| Rok vydání: | 2021 |
| Předmět: |
Adult
assessment Health Toxicology and Mutagenesis Population Walk Test Walking equation for estimation Article Cross-validation Oxygen Consumption Statistics medicine Humans education Mathematics validation education.field_of_study field test Public Health Environmental and Occupational Health VO2 max Cardiorespiratory fitness Regression analysis Middle Aged medicine.disease Cardiorespiratory Fitness Walk test Schizophrenia Exercise Test Medicine peak oxygen uptake human activities Body mass index |
| Zdroj: | International Journal of Environmental Research and Public Health Volume 18 Issue 21 International Journal of Environmental Research and Public Health, Vol 18, Iss 11390, p 11390 (2021) Addi. Archivo Digital para la Docencia y la Investigación Universidad de Cantabria (UC) instname |
| ISSN: | 1660-4601 |
| Popis: | Cardiorespiratory fitness (CRF) can be direct or estimated from different field tests. The Modified Shuttle Walk Test (MSWT) is suitable for all levels of function, allowing a peak response to be elicited. Therefore, we aimed (1) to validate the equation presented in the original study by Singh et al. for evaluating the relationship between MSWT with peak oxygen uptake (VO2peak) in adults with schizophrenia (SZ), (2) to develop a new equation for the MSWT to predict VO2peak, and (3) to validate the new equation. Participants (N = 144, 41.3 ± 10.2 years old) with SZ performed a direct measurement of VO2peak through a cardiopulmonary exercise test and the MSWT. A new equation incorporating resting heart rate, body mass index, and distance from MSWT (R2 = 0.617 adjusted R2 = 0.60 p < 0.001) performs better than the Singh et al. equation (R2 = 0.57 adjusted R2 = 0.57 0.001) to estimate VO2peak for the studied population. The posteriori cross-validation method confirmed the model’s stability (R2 = 0.617 vs. 0.626). The findings of the current study support the validity of the new regression equation incorporating resting heart rate, body mass index, and distance from MSWT to predict VO2peak for assessment of CRF in people with SZ. |
| Databáze: | OpenAIRE |
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