Table 2.

DVH dosimetric data for OARs from RA plans using FB and FFFB of 6 and 10 MV.

Structure	6X	6 FFF	p-Value	10X	10 FFF	p-Value
	Mean ± SD	Mean ± SD		Mean ± SD	Mean ± SD
Bladder
Mean (Gy)	40.93 ± 1.31	41.30 ± 1.49	0.020	40.77 ± 1.46	41.26 + 1.37	0.031
V30Gy (%)	77.42 ± 3.83	79.28 ± 4.79	0.045	76.70 ± 4.67	78.79 + 5.15	0.113
V40Gy (%)	54.24 ± 5.01	55.34 ± 5.86	0.077	54.05 ± 5.40	54.80 + 5.02	0.165
V50Gy (%)	34.93 ± 5.36	35.57 ± 5.53	0.011	34.98 + 5.49	36.20 + 5.52	0.000
Rectum
Mean (Gy)	40.43 ± 1.42	41.09 ± 1.32	0.001	40.37 ± 1.54	41.29 + 1.25	0.000
V30Gy (%)	78.57 ± 5.11	81.74 ± 5.44	0.001	78.62 ± 5.69	82.41 + 4.74	0.001
V40Gy (%)	55.31 ± 6.11	57.43 ± 6.32	0.005	55.22 ± 6.54	57.83 + 6.11	0.001
V50Gy (%)	26.33 ± 5.30	26.92 ± 5.16	0.117	26.21 ± 5.33	28.72 + 4.41	0.009
Rt. Femur
Mean (Gy)	18.51 ± 0.78	18.51 ± 0.84	0.988	18.51 ± 0.85	18.32 ± 0.76	0.509
V10Gy (%)	79.52 ± 12.00	77.18 ± 7.04	0.357	79.42 ± 10.12	77.36 ± 9.91	0.428
V20Gy (%)	34.75 ± 3.60	34.65 ± 5.03	0.923	33.98 ± 4.12	33.74 ± 4.59	0.841
V30Gy (%)	17.04 ± 3.60	16.78 ± 3.48	0.643	17.71 ± 2.96	17.00 ± 3.19	0.209
V40Gy (%)	6.30 ± 2.73	6.21 ± 2.55	0.767	6.91 ± 2.47	6.34 ± 2.65	0.024
Lt. Femur
Mean (Gy)	18.83 ± 0.67	18.79 ± 1.70	0.941	18.78 ± 0.91	18.36 ± 1.11	0.225
V10Gy (%)	78.81 ± 11.71	79.11 ± 10.55	0.920	79.57 ± 11.27	75.73 ± 14.51	0.318
V20Gy (%)	36.31 ± 3.86	36.16 ± 8.80	0.950	35.27 ± 4.25	33.75 ± 4.17	0.125
V30Gy (%)	17.69 ± 3.46	16.80 ± 3.22	0.415	17.54 ± 4.28	16.06 ± 3.96	0.000
V40Gy (%)	6.41 ± 2.55	6.10 ± 3.10	0.431	6.73 ± 3.06	6.32 ± 3.04	0.063
ID (Body-PTV)
D1%	47.96 ± 0.73	48.12 ± 0.82	0.028	48 ± 0.81	48.20 ± 0.87	0.014
D2%	44.67 ± 1.45	45.07 ± 1.57	0.006	44.72 ± 1.61	44.97 ± 1.73	0.037
D5%	37.33 ± 1.98	38.01 ± 2.25	0.001	37.07 ± 2.24	37.45 ± 2.53	0.048
V2Gy (%)	66.68 ± 7.84	65.68 ± 7.74	0.000	65.22 ± 7.94	63.12 ± 7.81	0.000
V5Gy (%)	54.84 ± 6.91	54.47 ± 6.96	0.000	54.92 ± 7.04	54.02 ± 6.96	0.000