TABLE 2.

Tumor Volumes, Distances Between Centers of Mass, and Dice Coefficients

	Untreated			Treated
Measure	WHO II	WHO III	WHO IV	WHO II–IV	Total
18F-FET
Volume (cm3)	16.10 ± 17.58	19.53 ± 20.63	18.30 ± 12.95	22.82 ± 25.99	19.12 ± 20.29
Cho/NAA
Volume (cm3)	14.35 ± 14.28	21.74 ± 21.02	27.67 ± 18.02	22.88 ± 34.40	21.79 ± 23.72
Distance	6.44 ± 3.49	8.43 ± 8.66	12.63 ± 8.74	9.54 ± 8.10	9.34 ± 7.89
Dice coefficient	0.40 ± 0.25	0.46 ± 0.28	0.38 ± 0.22	0.39 ± 0.24	0.40 ± 0.25
18F-FET
Avg relative intensity	1.87 ± 0.18	1.95 ± 0.26	1.91 ± 0.08	1.91 ± 0.12	1.92 ± 0.19
Avg SD	0.18 ± 0.13	0.26 ± 0.19	0.28 ± 0.08	0.28 ± 0.13	0.26 ± 0.15
Cho/NAA
Avg relative intensity	6.27 ± 1.74	6.59 ± 2.09	5.42 ± 2.66	5.31 ± 1.49	5.90 ± 1.97
Avg SD	3.01 ± 1.77	3.55 ± 2.00	3.06 ± 2.49	2.30 ± 1.83	2.95 ± 1.96

Data are mean ± SD. The 2 cases without biopsy are included in total results.

Avg = average.