Table 5: Comparison of regional cerebral oximetry (NIRS-left) differences measured by Near Infrared Spectroscopy (NIRS) with pre-induction status at all times.
|
NIRS-left |
Group D |
Group P |
p value |
|
Mean ± SD |
Mean ± SD |
||
|
Before induction |
71.9 ± 6.2 |
68.3 ± 7.0 |
0.063* |
|
After induction |
75.9 ± 7.3 |
74.8 ± 7.8 |
0.468 |
|
After intubation |
80.0 ± 7.3 |
76.1 ± 9.1 |
0.139 |
|
5. min |
76.1 ± 7.3 |
69.8 ± 8.8 |
0.008 |
|
10. min |
75.9 ± 7.5 |
68.1 ± 7.7 |
0.001 |
|
15. min |
74.7 ± 7.5 |
67.0 ± 8.3 |
0.001 |
|
20. min |
74.2 ± 7.5 |
67.0 ± 8.3 |
< 0.001 |
|
30. min |
72.1 ± 7.7 |
65.8 ± 8.3 |
< 0.001 |
|
45. min |
71.2 ± 7.8 |
62.7 ± 8.3 |
< 0.001 |
|
60. min |
69.8 ± 8.3 |
61.6 ± 8.8 |
0.004 |
|
75. min |
71.2 ± 9.2 |
62.9 ± 9.6 |
0.014 |
|
90. min |
71.7 ± 9.1 |
61.9 ± 8.2 |
0.002 |
|
After extubation |
73.3 ± 8.4 |
72.0 ± 10.6 |
0.711 |
|
NIRS-left |
Group D |
Group P |
p value |
|
Mean ± SD |
Mean ± SD |
||
|
Before induction - after induction |
-4.0 ± 5.2 |
-6.5 ± 3.4 |
0.105 |
|
Before induction - after intubation |
-8.0 ± 5.8 |
-7.8 ± 6.1 |
0.778 |
|
Before induction - 5. minutes |
-4.2 ± 5.6 |
-1.4 ± 5.5 |
0.120 |
|
Before induction - 10. minutes |
-4.0 ± 6.3 |
0.1 ± 5.6 |
0.020 |
|
Before induction - 15. minutes |
-2.8 ± 7.1 |
1.3 ± 6.2 |
0.049 |
|
Before induction - 20. minutes |
-2.3 ± 6.8 |
2.5 ± 6.1 |
0.017 |
|
Before induction - 30. minutes |
-0.2 ± 7.0 |
4.4 ± 4.9 |
0.013 |
|
Before induction - 45. minutes |
0.7 ± 7.1 |
5.5 ± 5.2 |
0.009 |
|
Before induction - 60. minutes |
1.7 ± 6.9 |
6.5 ± 5.1 |
0.024 |
|
Before induction - 75. minutes |
0.8 ± 7.6 |
6.3 ± 5.8 |
0.047 |
|
Before induction - 90. minutes |
0.8 ± 7.6 |
6.5 ± 5.2 |
0.037 |
|
Before induction - after extubation |
-1.4 ± 6.6 |
-3.7 ± 7.2 |
0.158 |
*These values are close to statistical significance. Therefore. it is defined as there is a tendency towards meaningfulness.
P values marked with dark black are statistically significant. D: desflurane. P: propofol