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Cardiorespiratory fitness of a Brazilian regional sample distributed in different tables

Karlyse Claudino Belli1, Carine C Callegaro, Carine Calegaro

  • 1Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil.

Arquivos Brasileiros De Cardiologia
|August 14, 2012
PubMed

Insights

International cardiorespiratory fitness (CRF) tables show significant discrepancies when applied to the Brazilian population, highlighting the need for localized validation. This study found varying classifications across common CRF assessment tools.

Area of Science:

  • Cardiorespiratory fitness
  • Exercise physiology
  • Public health

Background:

  • International cardiorespiratory fitness (CRF) classification tables lack validation for the Brazilian population.
  • Extrapolation of international CRF data may lead to significant misclassifications in Brazilians.

Purpose of the Study:

  • To evaluate the applicability of major cardiorespiratory fitness (CRF) tables within a Brazilian sample.
  • Assessing the consistency of CRF classifications across different standard tables in Brazil.

Main Methods:

  • Retrospective analysis of 2,930 individuals from Rio Grande do Sul, Brazil.
  • Cardiorespiratory fitness (CRF) was assessed via VO2peak using the Bruce protocol, considering cardiovascular disease risk factors.
  • Classified CRF using Cooper, American Heart Association (AHA), and Universidade Federal de São Paulo (Unifesp) tables based on sex and age.

Main Results:

  • Women exhibited significantly lower VO2peak values than men (23.5 ± 8.5 vs. 31.7 ± 10.8 mL·kg−1·min−1).
  • A moderate inverse correlation was observed between VO2peak and age (R = -0.48).
  • Substantial discrepancies in cardiorespiratory fitness (CRF) classification levels were noted between tables, ranging from 49% to 75%.

Conclusions:

  • The study identified significant discrepancies in cardiorespiratory fitness (CRF) classification levels among commonly used tables in Brazil.
  • Further research is recommended to determine the suitability of international CRF tables for the Brazilian population and diverse regional groups within Brazil.
Abstract

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