Table 2: Blood gas analysis.
Blood Gas Analysis |
|||||
All Patients (n = 101) |
Successful Extubation (n = 90) |
Failed Extubation (n = 11) |
p value |
||
Median ± SD |
Median ± SD |
Median ± SD |
|||
Arterial |
PCO2 (mmHg) |
37.20 ± 5.57 |
36.8 ± 5.58 |
40 ± 5.49 |
0.21 |
PO2 (mmHg) |
117.80 ± 29.26 |
117.65 ± 29.69 |
121.90 ± 26.54 |
0.61 |
|
HCO3 (mm/L) |
25.70 ± 3.56 |
25.70 ± 3.47 |
26.00 ± 4.36 |
0.57 |
|
PA-a O2 (mmHg) |
91.50 ± 36.69 |
95.75 ± 34.26 |
84.80 ± 54.93 |
0.61 |
|
O2 Sat (%) |
98.50 ± 0.69 |
98.50 ± 0.69 |
98.60 ± 0.69 |
0.57 |
|
Venous |
PCO2 (mmHg) |
45.10 ± 5.81 |
45.10 ± 5.74 |
48.60 ± 6.54 |
0.25 |
PO2 (mmHg) |
38.80 ± 6.73 |
38.8 ± 6.09 |
49.30 ± 10.71 |
0.61 |
|
HCO3 (mm/L) |
28.30 ± 3.91 |
28.30 ± 3.90 |
27.00 ± 4.26 |
0.98 |
|
PA-a O2 (mmHg) |
156.07 ± 21.03 |
157.85 ± 20.29 |
152.30 ± 26.82 |
0.23 |
|
O2 Sat (%) |
73.90 ± 7.51 |
73.95 ± 7.23 |
73.60 ± 9.86 |
0.92 |