Table 2:

Semi-automated metrics including mean and standard deviations for low- and high-grade tumors

	Low-Grade		High-Grade		P Value (t test)
	Mean (×10−3 mm2/s)	Standard Deviation (×10−3 mm2/s)	Mean (×10−3 mm2/s)	Standard Deviation (×10−3 mm2/s)
Average	1.717	0.377	1.459	0.341	.138
Standard deviation	0.458	0.247	0.616	0.189	.135
Skew	0.803	0.753	1.372	0.704	.111
Kurtosis	1.129	2.515	1.980	2.754	.501
Peak location	1.518	0.493	1.075	0.275	.023a
Peak height, normalized	0.088	0.041	0.069	0.029	.258
5th Percentile	1.13	0.151	0.778	0.267	.007a
10th Percentile	1.18	0.151	0.858	0.260	.008a
25th Percentile	1.32	0.180	1.016	0.278	.018a
50th Percentile	1.68	0.453	1.270	0.349	.037a
75th Percentile	2.01	0.598	1.792	0.564	.411
90th Percentile	2.32	0.681	2.363	0.591	.903
95th Percentile	2.50	0.705	2.696	0.541	.518
95th to 5th Percentile	1.377	0.704	1.918	0.560	.080
50th to 5th Percentile	0.555	0.425	0.491	0.273	.695
95th to 50th Percentile	0.821	0.434	1.426	0.362	.004a

^aSignificant P value.