Table 3.

Change in position of the prostate with respect to bony landmarks.

Patient no.	No. of CBCT sessions	Mean lateral shift from the position on day one (cm) (either side)	Mean anterior-posterior shift from the position on day one (cm) (either side)
1	25	0.44	0.32
2	25	0.34	1.23
3	25	0.17	0.31
4	25	0.48	0.21
5	25	2.96	0.17
6	25	0.51	0.36
7	25	0.97	1.37
8	25	0.20	1.88
9	25	0.64	1.97
10	25	0.41	1.10
11	25	0.43	0.34
12	25	0.87	0.31
13	25	0.77	0.67
14	25	0.11	0.33
15	25	0.73	0.81
16	25	0.13	0.34
17	25	0.44	0.77
18	25	0.74	0.91
19	25	0.91	0.60
20	25	0.51	0.44
21	25	3.16	0.19
22	25	0.61	0.38
23	25	0.97	1.37
24	25	0.30	1.76
25	25	0.69	1.89
26	25	0.43	1.21
27	25	0.46	0.36
28	25	0.91	0.33
29	25	0.81	0.71
30	25	0.15	0.38
Mean		0.71	0.77
SD		0.69	0.57