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Table 1 Respiratory data of the whole study population

From: Study of multiparameter respiratory pattern complexity in surgical critically ill patients during weaning trials

Variables Successful group (S) Unsuccessful group (U) p value
  (n = 22) (n = 10)  
Minute ventilation (MV), L 12.33 (11.21-16.74) 12.95 (11.78-13.2) NS
RR (respiratory rate) breaths/min 16 (15-18) 17 (15-19) NS
HR (heart rate) beats/min 82 (77-86) 83 (82-90) NS
Tidal volume (VT ) ml 676.2 (543.4-742.2) 665 (583.4-834.8) NS
pH 7.41 (7.37-7.46) 7.39 (7.37-7.44) NS
PaCO2 mmHg 41.23 (36.2-45.6) 42.65 (38.3-46.8) NS2aCOl
PaO2 mmHg 132.3 (98.4-156.7) 131.84 (94.84-148.2) NS
Male/female (Number) 17/5 8/2 <0.05
Age (years) 65.7 (58-72.3) 67.56 (56.2-74.45) NS
APACHE II score 16.4 (13.23-19.34) 21.26 (18.76-24.7) <0.05
Weight (Kg) 76.75 (64.3-82.54) 75.84 (63.2-87.2) NS
Time of ventilatory support before
weaning trial (hours) 133.6 (112.5-157.3) 175.6 (142.6-214.2) <0.05
  1. Respiratory parameters, blood gases and demographic features of the whole study population (n = 32), according to weaning outcome, measured before weaning trials. Data are presented as median (10%-90% percentiles).