Table 6.

The intra-operatively computed seed coordinates were compared those obtained from planned locations in TRUS and post-operative segmentations from CT. Additional seeds were added for each patient to close any detected cold spots.

Patient number	Comparison type	Error (mm)			Norm (mm)			Additional seeds Added
		X	Y	Z	Mean	STD	Max
1		0.26	0.41	0.45	0.77	1.09	9.00	1
2		1.91	1.88	3.18	4.65	2.20	12.23	2
3	Intra-op X-ray to	2.50	2.13	2.28	4.59	2.36	12.26	3
4	Pre-op TRUS	1.59	1.57	2.68	4.27	2.53	16.02	9
5		1.61	2.67	3.05	4.98	2.83	16.19	5
6		1.47	2.30	1.88	3.78	1.76	9.82	5
Average		1.56	1.83	2.25	3.84	2.13	12.59	4.17
1		1.88	2.71	3.32	5.42	2.46	11.14	–
2		2.65	3.48	2.87	6.16	2.96	14.32	–
3	Intra-op X-ray to	1.33	1.39	1.30	2.67	2.13	14.72	–
4	Day-0 Post-op CT	1.63	2.76	3.23	5.45	2.60	14.50	–
5		1.47	1.49	2.70	3.77	2.53	13.79	–
6		1.74	1.22	1.44	3.00	2.70	14.45	–
Average		1.78	2.37	2.47	4.41	2.56	13.82	–
1		2.64	3.62	2.57	5.78	2.49	12.04	–
2		3.45	3.84	2.86	6.84	3.32	21.75	–
3	Intra-op X-ray to	2.04	2.55	2.13	4.70	1.97	11.17	–
4	Day-30 Post-op CT	1.70	2.40	1.87	4.07	2.14	12.51	–
5		2.45	3.27	2.83	5.70	3.10	21.87	–
6		0.97	1.51	1.67	2.91	2.42	12.49	–
Average		2.21	2.87	2.32	5.00	2.57	15.31	–