Table 4 The relative preoperative and postoperative CTP parameters in patients

Operated area

rCBF

1.01 ± 0.34

1.37 ± 0.28

6.102

 < 0.001

1.04 ± 0.36

1.20 ± 0.35

2.594

0.013

rCBV

1.55 ± 0.44

1.42 ± 0.44

1.405

0.168

1.43 ± 0.39

1.32 ± 0.26

2.180

0.035

rTTP

1.18 ± 0.14

1.03 ± 0.09

5.518

 < 0.001

1.26 ± 0.22

1.10 ± 0.10

4.862

 < 0.001

rMTT

1.75 ± 0.62

1.11 ± 0.44

5.409

 < 0.001

1.64 ± 0.68

1.29 ± 0.42

3.981

 < 0.001

Basal ganglia

rCBF

1.21 ± 0.37

1.34 ± 0.35

2.276

0.028

1.40 ± 0.35

1.30 ± 0.30

1.413

0.165

rCBV

1.36 ± 0.29

1.23 ± 0.36

2.101

0.042

1.53 ± 0.35

1.42 ± 0.34

1.725

0.092

rTTP

1.04 ± 0.13

0.97 ± 0.14

2.899

0.006

1.11 ± 0.44

1.08 ± 0.14

0.488

0.628

rMTT

1.22 ± 0.49

1.02 ± 0.44

2.572

0.038

1.14 ± 0.33

1.13 ± 0.33

0.158

0.875

Frontal lobe

rCBF

0.97 ± 0.28

1.10 ± 0.27

2.955

0.005

1.03 ± 0.42

0.98 ± 0.26

0.734

0.467

rCBV

1.22 ± 0.30

1.10 ± 0.37

1.763

0.086

1.26 ± 0.40

1.24 ± 0.24

0.216

0.830

rTTP

1.14 ± 0.15

1.09 ± 0.13

2.237

0.031

1.20 ± 0.31

1.17 ± 0.17

0.826

0.413

rMTT

1.54 ± 0.73

1.36 ± 0.64

1.482

0.146

1.57 ± 0.67

1.53 ± 0.55

0.432

0.668