Table 3.

Comparison of delivered rectum and bladder doses by different online IGRT methods. The values are expressed as percentages of target (prostate) dose.

Rectum
Patient #	CRT Bone	CRT Re-plan	IMRT Bone	IMRT Target	IMRT Re-plan Volume	IMRT Re-plan Wall
1	94.5%	83.3%	85.2%	73.4%	68.3%	67.8%
2	87.4%	80.8%	72.0%	63.6%	65.9%	66.4%
3	85.7%	80.8%	73.1%	75.4%	69.4%	66.3%
4	92.1%	81.9%	80.2%	70.1%	70.7%	70.1%
5	89.8%	79.7%	82.9%	72.6%	69.4%	68.2%
6	92.4%	83.6%	84.0%	72.7%	71.8%	71.8%
7	88.9%	78.8%	77.6%	68.6%	65.0%	64.2%
8	90.2%	79.1%	83.2%	73.3%	70.1%	69.3%
9	93.5%	81.8%	78.4%	70.6%	70.1%	68.4%
Mean	90.5%	81.1%	79.6%	71.1%	69.0%	68.0%
Bladder
Patient #	CRT Bone	CRT Re-plan	IMRT Bone	IMRT Target	IMRT Re-plan Volume	IMRT Re-plan Wall
1	75.5%	66.4%	61.9%	56.8%	55.7%	54.9%
2	81.5%	61.3%	71.8%	53.5%	51.8%	51.7%
3	68.9%	48.7%	69.7%	51.8%	48.3%	47.6%
4	76.9%	54.1%	68.1%	55.9%	50.5%	50.3%
5	74.5%	56.7%	69.5%	57.2%	53.1%	52.4%
6	81.8%	66.8%	74.1%	60.6%	61.5%	60.0%
7	60.3%	41.5%	58.6%	42.4%	41.7%	40.5%
8	62.7%	41.7%	58.3%	41.4%	42.1%	40.8%
9	60.2%	46.0%	57.7%	45.5%	44.9%	44.3%
Mean	71.3%	53.7%	65.5%	51.7%	49.9%	49.2%