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Revista Brasileira de Medicina do Esporte
Print version ISSN 1517-8692
BERGMANN, Gabriel Gustavo et al. Cardiorespiratory fitness cut offs points and cardiovascular risk factors screening at infancy. Rev Bras Med Esporte [online]. 2010, vol.16, n.5, pp. 339-343. ISSN 1517-8692. http://dx.doi.org/10.1590/S1517-86922010000500004.
The main objective of the study was to analyze and propose news cardiorespiratory fitness cut offs points for 7 to 12-year old school students. The sample was composed of 1,413 students. Cardiorespiratory fitness was measured by the 9-minutes walking/running test. Total cholesterol and systolic and diastolic blood pressure were measured and with their results cardiovascular risk factors reference were designed. The Receiver Operating Characteristic curve between cardiorespiratory fitness and cardiovascular risk factors reference identified the cut offs point values. The bivariate analysis and odds ratio (OR) calculation was used to identify to what extent the individuals that did not reach the proposed cut offs points could show cardiovascular risk factors. The results showed that the cut offs points suggested in this study presented the best balance between sensibility and specificity. The bivariate analysis results showed increased chance of cardiovascular risk for the individuals that did not reach the cut offs points compared to those individuals who did.
Keywords : cardiorespiratory fitness; field test; cut offs points; school students; roc curve.