Table 5 Comparison of the change in postoperative perfusion between the two groups

Operated area

rCBF

0.36 ± 0.37

0.26 ± 0.41

2.240

0.028^a

rCBV

 − 0.10 (− 0.52 to 0.22)

 − 0.07 (− 0.28 to 0.17)

0.398

0.690^b

rTTP

 − 0.16 (− 0.28 to − 0.02)

 − 0.10 (− 0.24 to − 0.01)

0.130

0.897^b

rMTT

 − 0.70 (− 1.22 to − 0.08)

 − 0.19 (− 0.76 to 0.08)

2.260

0.024^b

Basal ganglia

rCBF

0.16 (− 0.04 to 0.39)

 − 0.10 (− 0.39 to 0.14)

2.913

0.004^b

rCBV

 − 0.19 (− 0.38 to 0.06)

0.11 (− 0.38 to 0.17)

0.479

0.632^b

rTTP

 − 0.07 (− 0.20 to 0.03)

 − 0.01 (− 0.06 to 0.03)

2.179

0.029^b

rMTT

 − 0.17 (− 0.60 to 0.03)

0.03 (− 0.23 to 0.17)

2.331

0.020^b

Frontal lobe

rCBF

0.15 (0.06 to 0.30)

0.01 (− 0.25 to 0.19)

2.036

0.042^b

rCBV

 − 0.23 (− 0.40 to 0.09)

 − 0.24 (− 0.53 to 0.01)

0.667

0.505^b

rTTP

 − 0.06 (− 0.13 to 0.05)

 − 0.01 (− 0.09 to 0.06)

0.649

0.516^b

rMTT

 − 0.16 (− 0.46 to 0.19)

0.01 (− 0.38 to 0.32)

1.579

0.114^b