Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Correlation between MRI perfusion parameters and MGMT promoter methylation status in patients with glioblastoma.
| MGMT promotor methylation status | Univariate | ||
|---|---|---|---|
|
|
|
||
| Perfusion parameters | Methylated (n=22) | Unmethylated (n=28) | P-value |
| Mean CBV ratio | 2.09 | 1.33 | 0.002 |
| Mean CBF ratio | 3.08 | 1.85 | 0.020 |
| Mean MTT ratio | 0.83 | 0.79 | 0.590 |
CBV, cerebral blood volume; CBF, cerebral blood flow; MTT, mean transit time.
