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Table 2 Assessment of pulmonary function (spirometry and manovacuometry)

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

Variables Control Stage 3 Stage 4 Stage 5 P
  (CG = 9) (G3 = 10) (G4 = 10) (G5 = 9)  
Spirometry      
FVC (%) 118.0 ± 136.7 101.7 ± 20.2 98.3 ± 15.1 97.3 ± 21.1 0.115
FEV, (%) 111.0 ± 10.4 100.4 ± 18.4 95.0 ± 13.1 92.1 ± 19.1 0.126
FEV,/FVC (%) 94.9 ± 4.5 99.3 ± 7.8 97.5 = 5.3 95.0 ± 4.0 0.333
Manovacuometry      
PImax (%) 93.3 ± 14.3 63.2 ± 27.1 62.0 = 12.5 69.9 ± 29.0 0.061
PEmax (%) 108.4 ± 16.5 94.1 ± 21.9 84.4 = 16.4 89.6 ± 25.6 0.192
  1. FVC Forced Vital Capacity, FEV 1 Forced Expiratory Volume in the first second of forceful exhalation, PImax Maximum Inspiratory Pressure, PEmax Maximum Expiratory Pressure.