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