Table 1:
Correlation with PS
Group
rCBV
No.
Corr
P
Value
Grade II
13
0.710
.006
Grade III
18
0.822
<.001
Grade IV
45
0.467
.001
Comparisons
II vs III,
P
= .499
II vs IV,
P
= .279
III vs IV,
P
= .029
Note:
—Corr indicates correlation.