Table 2.

Mean tumor volume and segmentation time measured on CE-MRI and DP-CBCT by three readers for 19 patients. Volume values are in cubic centimeters (cm³) and time values are in seconds (s).

Patient Number	Volume (cm3) ± SD			Time (s) ± SD
	CE-MRI	DP-CBCT	p-value	CE-MRI	DP-CBCT	p-value
1	15 ± 5	23 ± 4	0.26	89 ± 69	120 ± 46	0.65
2	62 ± 23	50 ± 14	0.41	94 ± 76	161 ± 41	0.48
3	8 ± 1	12 ± 3	0.24	60 ± 72	40 ± 12	0.61
4	13 ± 5	13 ± 1	0.87	34 ± 31	89 ± 26	0.10
5	17 ± 10	10 ± 5	0.19	57 ± 52	77 ± 42	0.14
6	33 ± 2	30 ± 14	0.82	57 ± 23	76 ± 7	0.30
7	35 ± 3	25 ± 3	0.02	51 ± 35	156 ± 36	0.15
8	6 ± 2	10 ± 1	0.17	35 ± 44	30 ± 4	0.85
9	42 ± 5	42 ± 7	1.00	58 ± 38	67 ± 54	0.83
10	7 ± 1	6 ± 2	0.64	21 ± 9	53 ± 26	0.18
11	5 ± 1	7 ± 0.3	0.12	64 ± 67	17 ± 4	0.34
12	873 ± 17	954 ± 86	0.29	173 ± 62	214 ± 199	0.80
13	9 ± 1	10 ± 1	0.64	66 ± 49	51 ± 29	0.22
14	278 ± 7	259 ± 9	0.09	84 ± 41	90 ± 30	0.46
15	96 ± 20	109 ± 22	0.59	90 ± 62	72 ± 37	0.73
16	65 ± 18	88 ± 15	0.16	60 ± 9	109 ± 20	0.26
17	62 ± 19	64 ± 5	0.87	51 ± 38	96 ± 14	0.09
18	27 ± 8	37 ± 2	0.19	69 ± 58	77 ± 19	0.73
19	2 ± 1	1 ± 0.2	0.10	43 ± 27	17 ± 2	0.20
Mean ± SD:	87 ± 8	92 ± 10	-	66 ± 45	85 ± 34	0.19