Table 3.

In vivo measurements using MOSFETs compared to corrected target doses from the TPS (Philips Pinnacle ³ ). All plans delivered with beam energy 6 MV. $(\text{CR}=1.0)$

Patient	Field #	$D_{max}$ Dose TPS (cGy)	IMRT CF	Total CF	Expected MOSFET dose (cGy)	Measured MOSFET dose (cGy)	% Diff
	2	82.5	0.971	0.984	81.2	87.4	7.6%
#7	3	53.2	1.006	1.027	54.6	54.0	1.2%
	4	41.8	0.995	1.018	42.6	42.6	0.1%
	5	54.2	0.984	1.005	54.5	56.3	3.4%
	6	84.0	0.976	0.988	83.1	87.4	5.2%
Total		315.7			316.0	327.7	3.7%
	2	105.0	0.983	0.989	103.9	109.0	4.9%
#8	3	49.9	0.973	1.035	51.6	53.2	3.0%
	4	36.0	0.979	1.022	36.8	35.4	3.8%
	5	48.5	0.971	1.032	50.1	52.6	5.1%
	6	91.6	0.972	0.985	90.2	93.5	3.6%
Total		331.0			332.6	343.7	3.3%
	2	112.0	0.976	0.976	109.4	115.0	5.2%
#9	3	46.3	0.951	1.006	46.6	48.2	3.5%
	4	21.9	0.944	0.983	21.5	22.7	5.4%
	5	59.3	0.965	1.009	59.8	63.0	5.3%
	6	118.3	0.967	1.073	126.9	121.0	4.7%
Total		357.8			364.2	369.9	1.6%
#10	2	40.2	0.981	1.022	41.1	39.3	4.4%
prosthesis	3	54.0	0.932	0.960	51.8	52.2	0.7%
(#6 not	4	66.8	0.966	0.977	65.3	65.7	0.6%
measured)	5	89.2	0.951	0.975	87.0	88.0	1.2%
Total		250.2			245.2	245.2	0.0%
	2	81.5	0.958	0.961	78.3	80.4	2.6%
#11	3	72.8	0.971	0.991	72.1	68.3	5.3%
	4	43.5	0.957	0.979	42.6	41.5	2.6%
	5	70.1	0.984	1.032	72.4	68.8	4.9%
	6	82.4	0.982	1.009	83.2	86.4	3.9%
Total		350.3			348.6	345.4	0.9%