|
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
|
- 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).
