. 2009 Sep 9;4:34. doi: 10.1186/1748-717X-4-34

Table 4.

Dosimetric results for OARs and non target tissues

Parameter	IMRT	IMPT	RA_HD120	RA_M120	p
Rectum. Volume [cm3] 48.6 ± 17.6 [28.4-72.5]

D₅₀[Gy]	10.1 ± 6.2	4.1 ± 4.0	8.2 ± 3.9	9.1 ± 4.2	a,b,d,e,f

D₁[Gy]	49.6 ± 6.8	45.1 ± 9.2	45.2 ± 8.3	46.5 ± 7.8	a,b,c

V_{35 Gy}[%]	9.8 ± 5.3	3.9 ± 2.7	5.1 ± 3.0	5.9 ± 3.3	a,b,c,e

V_{45 Gy}[%]	3.6 ± 2.4	1.6 ± 1.3	1.6 ± 1.1	1.9 ± 1.3	a,b,c

Urethra. Volume [cm3] 0.7 ± 0.1 [0.6-0.8]

D₅₀[Gy]	31.4 ± 13.1	26.8 ± 11.7	28.6 ± 11.4	28.6 ± 10.9	a,b,c,d,e

D₁[Gy]	40.1 ± 3.3	38.1 ± 2.4	39.8 ± 3.5	39.3 ± 3.3	a,c,d,f

V_{35 Gy}[%]	60.7 ± 41.7	25.1 ± 21.1	38.0 ± 25.3	36.0 ± 24.0	a,b,c

V_{40 Gy}[%]	11.0 ± 12.8	0.6 ± 1.1	5.1 ± 5.4	4.0 ± 5.6

Left femoral head Volume [cm3] 60.1 ± 4.4 [54.8-67.6]

D₅₀[Gy]	3.9 ± 2.6	0.1 ± 0.1	3.3 ± 2.1	3.5 ± 2.1	a,b,d,e,f

D₁Gy]	14.6 ± 7.2	2.3 ± 2.0	7.4 ± 1.5	7.6 ± 1.3	a,b,c,d,e

Right femoral head Volume [cm3] 60.9 ± 5.8 [54.6-71.6]

D₅₀[Gy]	3.9 ± 2.7	0.1 ± 0.1	3.2 ± 2.3	3.4 ± 2.1	a,d,e

D₁Gy]	15.3 ± 7.5	2.5 ± 3.0	8.0 ± 1.8	8.0 ± 1.7	a,b,c,d,e

Bladder. Volume [cm3] 109.8 ± 63.6 [32.7-234.2]

D₅₀[Gy]	4.9 ± 3.2	0.7 ± 0.9	4.6 ± 2.6	5.2 ± 3.0	a,d,e,f

D₁[Gy]	42.3 ± 17.0	38.8 ± 19.6	41.3 ± 16.3	42.1 ± 15.8

V_{35 Gy}[%]	6.4 ± 6.3	3.9 ± 4.3	4.1 ± 4.1	4.5 ± 4.2	a

V_{50 Gy}[%]	1.9 ± 2.7	1.4 ± 2.1	1.3 ± 2.1	1.3 ± 2.1

Penile bulb. Volume [cm3] 7.2 ± 3.2 [3.0-13.2]

D₅₀[Gy]	2.0 ± 1.5	0.9 ± 1.4	2.5 ± 1.7	3.2 ± 2.5	a,b,c,d,e

D₁[Gy]	7.6 ± 9.4	7.1 ± 9.0	5.8 ± 4.6	7.7 ± 7.4

Non Target Tissue

Mean [Gy]	2.0 ± 0.8	0.7 ± 0.3	1.8 ± 0.7	1.9 ± 0.7	a,b,d,e,f

V_{10 Gy}[%]	6.0 ± 2.6	2.8 ± 1.3	4.7 ± 2.5	5.1 ± 2.8	a,b,c,d,e

CI₉₀	1.3 ± 0.1	1.6 ± 0.2	1.3 ± 0.1	1.3 ± 0.1	a,d,e

Dose_Int[Gy*cm³10⁴]	3.3 ± 1.6	1.1 ± 0.5	2.9 ± 1.3	3.1 ± 1.4	a,b,d,e,f

a = IMRT vs IMPT b = IMRT vs RA_HD120 c = IMRT vs RA_M120

d = IMPT vs RA_HD120 e = IMPT vs RA_M120 f = RA_HD120 vs RA_M120