TABLE 2:

Relative peak height and recovery values in and surrounding contrast-enhancing lesions

Finding	Grade III	Grade IV	P Value
Relative peak height
Contrast enhancing
Mean	1.2 ± 0.8	2.0 ± 0.9	<.5
Maximum	2.3 ± 1.6	6.0 ± 3.2	<.002
T2 − enhancing
Mean	1.1 ± 0.4	1.2 ± 0.5	>.99
Maximum	5.7 ± 2.7	5.8 ± 2.6	>.5
Percent Recovery
Contrast enhancing
Mean	80.4 ± 11.4	77.5 ± 6.7	<.01
Minimum	71.1 ± 13.4	47.7 ± 17.6	>.1
T2 − enhancing*
Mean	83.7 ± 6.2	82.2 ± 4.7	>.1
Minimum	56.1 ± 14.6	43.3 ± 18.5	>.5