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Table

From: Weaning from mechanical ventilation in COPD patients: interest to measure, in post-extubation, the airway occlusion pressure (P0.1), in order to indicate non-invasive pressure support ventilation (NIPSV) to prevent relapse

  PS = 6 cm H2O before extubation PS = 4 cm H2O postextubation  
  RR RR/VT PaCO2 PaO2 P0.1 RR RR/VT PaCO2 PaO2 P0.1  
Group I 26 ± 5 75 ± 28 6.9 ± 0.8 9.8 ± 1.2 2.5 ± 0.7 27 ± 4 71 ± 19 7.8 ± 0.8 9.5 ± 1.3 4.2 ± 0.9  
(n = 10)            
Group II 24 ± 5 64 ± 24 6.5 ± 1.0 9.6 ± 2.1 2.4 ± 0.9 23 ± 5 60 ± 21 7.2 ± 0.9 9.7 ± 1.6 1.8 ± 0.8  
(n = 18)            
P NS NS NS NS NS NS NS NS NS NS P < 0.01
  1. PaO2 - PaCO2 : kPa; P0.1 : cmH2O.