group | observation group (n = 40) | control group (n = 40) | statistic | P |
GCS score before surgery | 5.85 ± 1.33 | 5.95 ± 1.22 | t = −0.350 | 0.727 |
GCS score when leaving the ICU | 10.83 ± 1.78 | 9.85 ± 1.51 | t = 2.639 | 0.01 |
statistic | t = −34.219 | t = −34.794 |
|
|
P | 0 | 0 |
|
|