“…That assessment, according to that guideline, allows assessing functional capacity and aerobic capacity, prescribing exercise, and showing the patients and their families their actual physical conditions, providing data to attending physicians. Briefly, the variation found among the three CRF classification tables points to the importance of developing classification tables specific for the Brazilian population, considering all ethnical, social and cultural differences 16,17,23 , in the search for more careful attention at health care services in Brazil.…”