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Table 4 Correlations between the estimated glomerular filtration rate, spirometric variables, and exercise tolerance variables

From: Pulmonary function and exercise tolerance are related to disease severity in pre-dialytic patients with chronic kidney disease: a cross-sectional study

Variables Estimated glomerular filtration rate (mL/min/1.73 m2)
r p
FVC (%) 0.348 0.041
FEV, (%) 0.349 0.020
RPmax (W/kg) 0.536 0.001
VO2peak (mL/kg/min) 0.430 0.008
VO2AT (mL/kg/min) 0.481 0.003
6MWT (m) 0.556 < 0.001