Table 3 Summary of mean relative mean transit time (relative-MTT).

From: Predicting Cerebral Hyperperfusion Syndrome Following Superficial Temporal Artery to Middle Cerebral Artery Bypass based on Intraoperative Perfusion-Weighted Magnetic Resonance Imaging

 

All Patients (n = 14)

CHS Group (n = 5)

Non-CHS Group (n = 9)

P-value (CHS vs non-CHS)

ACA-terminal

- Pre

1.09

1.19

1.04

0.534

- Intra

1.03

1.03

1.04

0.954

- %increase

−2.2%

−8.2%

1.1%

0.347

P-value (Pre vs Intra)

0.190

0.190

0.479

 

ACA-central

- Pre

1.04

1.24

0.93

0.088

- Intra

0.98

1.02

0.96

0.612

- %increase

−3.9%

−14.7%

2.1%

0.226

P-value (Pre vs Intra)

0.202

0.103

0.366

 

MCA-terminal

- Pre

1.03

1.06

1.01

0.703

- Intra

1.00

1.07

0.97

0.428

- %increase

−2.0%

2.1%

−4.3%

0.520

P-value (Pre vs Intra)

0.244

0.476

0.104

 

MCA-central

- Pre

1.07

1.05

1.08

0.563

- Intra

0.97

0.99

0.96

0.583

- %increase

−8.9%

−4.8%

−11.1%

0.340

P-value (Pre vs Intra)

0.012

0.107

0.030

 

PCA-terminal

- Pre

1.00

1.05

0.97

0.690

- Intra

1.05

1.20

0.97

0.312

- %increase

9.1%

24.5%

0.6%

0.332

P-value (Pre vs Intra)

0.112

0.115

0.459

 
  1. *significant P-values after multiple comparison correction.