| Abstract |
PURPOSE: Low physical fitness (PF) has been associated with deterioration in overall health outcomes, resulting in an increased hospitalizations, morbidity, and mortality in patients treated with maintenance dialysis. To compare self-reported PF between chronic kidney disease (CKD) patients undergoing treatment with maintenance dialysis and healthy individuals without chronic kidney disease. METHODS: In this cross-sectional study 674 CKD patients and 518 healthy individuals self-reported PF by completing the International Fitness Scale (IFIS). Ratings are separated into five dimensions of PF; general, cardiorespiratory, strength, agility, and flexibility. Odds ratio analyses were adjusted for sex, age, skin color, schooling, diabetes, smoking, physical activity, sedentary behavior, and body max index. RESULTS: CKD patients were more likely to self-report lower general (OR = 2.03, p = 0.001), cardiorespiratory (OR = 3.18, p < 0.001), strength (OR = 2.51, p < 0.001) and agility fitness (OR = 1.83, p < 0.001) in comparison to the health control group. There was no difference in self-reported flexibility (p > 0.050). CONCLUSIONS: CKD patients presented lower perception of PF than individuals without CKD supporting the need for proper exercise prescription within this group.
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, Evan C. Johnson 
, Ana Carolina Pereira Baptista , Wagner Luiz do Prado 
