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Arquivos Brasileiros de Cardiologia

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BELLI, Karlyse Claudino et al. Cardiorespiratory fitness of a Brazilian regional sample distributed in different tables. Arq. Bras. Cardiol. [online]. 2012, vol.99, n.3, pp.811-817.  Epub Aug 09, 2012. ISSN 0066-782X.

BACKGROUND: Most classification tables of cardiorespiratory fitness (CRF) used in clinical practice are international and have not been validated for the Brazilian population. That can result in important discrepancies when that classification is extrapolated to our population. OBJECTIVE: To assess the use of major CRF tables available in a Brazilian population sample of the Central High Plan of the state of Rio Grande do Sul (RS). METHODS: This study assessed the retrospective data of 2,930 individuals, living in 36 cities of the Central High Plan of the state of RS, and considered the following: presence of risk factors for cardiovascular disease and estimated maximum oxygen consumption (VO2peak) values obtained through exercise test with Bruce protocol. To classify CRF, the individuals were distributed according to sex, inserted in their respective age groups in the Cooper, American Heart Association (AHA) and Universidade Federal de São Paulo (Unifesp) tables, and classified according to their VO2peak. RESULTS: Women had lower VO2peak values as compared with those of men (23.5 ± 8.5 vs. 31.7 ± 10.8, p < 0.001). Considering both sexes, VO2peak showed an inverse and moderate correlation with age (R = -0.48, p < 0.001). An important discrepancy in the CRF classification levels was observed between the tables, ranging from 49% (Cooper x AHA) to 75% (Unifesp x AHA). CONCLUSION: Our findings indicate important discrepancy in the CRF classification levels of the tables assessed. Future studies could assess whether international tables could be used for the Brazilian population and populations of different regions of Brazil.

Keywords : Physical fitness; oxygen consumption; urban population; exercise test; classification.

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