预后欠佳组(n = 6)
预后良好组(n = 16)
t
P
ΔCBF
6.21 ± 22.48
23.06 ± 12.99
−2.213
0.039
ΔnCBF
0.469 ± 0.175
0.801 ± 0.240
−3.079
0.006