Table 2.

Prostate displacement by direction and distance as a percentage of treatment time

Patient	Direction	% of Displacement
		<1 mm	1–2 mm	2–3 mm	≥3 mm
1	AP	36.8	33.5	18.1	11.7
	LR	91.0	9.0	0.0	0.0
	SI	95.7	4.1	0.1	0.1
2	AP	69.7	30.2	0.1	0.0
	LR	73.4	26.6	0.0	0.0
	SI	99.7	0.2	0.1	0.0
3	AP	59.0	35.7	5.2	0.1
	LR	66.3	33.7	0.0	0.0
	SI	99.8	0.2	0.0	0.0
4	AP	94.2	5.8	0.0	0.0
	LR	94.9	5.1	0.0	0.0
	SI	100.0	0.0	0.0	0.0
5	AP	95.4	4.2	0.4	0.0
	LR	94.1	5.9	0.0	0.0
	SI	100.0	0.0	0.0	0.0
6	AP	79.0	21.0	0.0	0.0
	LR	85.5	14.5	0.0	0.0
	SI	90.3	9.7	0.0	0.0
7	AP	65.2	34.8	0.0	0.0
	LR	98.5	1.5	0.0	0.0
	SI	97.0	3.0	0.0	0.0
8	AP	84.2	15.8	0.0	0.0
	LR	54.2	25.0	16.7	4.1
	SI	91.2	8.8	0.0	0.0
9	AP	98.3	1.7	0.0	0.0
	LR	67.7	29.0	3.3	0.0
	SI	76.7	23.3	0.0	0.0
10	AP	76.8	23.2	0.0	0.0
	LR	88.7	11.3	0.0	0.0
	SI	100.0	0.0	0.0	0.0
All Patients	AP	79.1	18.2	1.1	0.8
	LR	82.7	15.8	0.9	0.3
	SI	97.2	2.8	0.0	0.0
	Overall	84.8	13.6	0.8	0.4