. 2019 Aug 5;14:118. doi: 10.1186/s13014-019-1324-y

Table 3.

Dosimetric parameters for small bowel, rectum, bladder and femoral heads

Volume	IMRT (N)	IMRT (BM)	IMRT (OC)	IMRT (OC + LS)
Small Bowel
V₁₀ (%)	84.83 ± 11.28	79.19 ± 24.78	78.69 ± 24.67	78.75 ± 24.69
V₂₀ (%)	72.19 ± 11.65	66.44 ± 21.92	68.90 ± 22.21	65.29 ± 21.72
V₃₀ (%)	50.96 ± 12.88	49.13 ± 18.04	51.03 ± 17.64	47.93 ± 17.64
V₄₀ (%)	28.30 ± 10.79	26.44 ± 12.75	27.65 ± 12.41	26.38 ± 12.09
V₅₀ (%)	7.87 ± 4.13	7.80 ± 4.79	7.96 ± 5.01	8.53 ± 4.99
Rectum
V₁₀ (%)	96.80 ± 4.96	96.72 ± 5.23	96.69 ± 5.25	96.70 ± 5.22
V₂₀ (%)	90.29 ± 5.69	89.30 ± 5.94	90.06 ± 5.93	89.45 ± 6.14
V₃₀ (%)	74.09 ± 5.92	74.30 ± 4.90	74.36 ± 4.71	73.72 ± 3.84
V₄₀ (%)	53.89 ± 7.45	54.45 ± 6.40	54.57 ± 6.77	54.60 ± 4.36
V₅₀ (%)	25.27 ± 8.17	26.07 ± 8.26	26.01 ± 8.32	27.26 ± 7.70
Bladder
V₃₀ (%)	95.40 ± 4.14	92.25 ± 4.70	91.00 ± 5.59	88.57 ± 5.97
V₄₀ (%)	72.03 ± 5.43	66.47 ± 10.30	63.63 ± 11.58	61.53 ± 11.81
V₅₀ (%)	29.49 ± 13.27	29.39 ± 13.96	29.45 ± 13.48	30.05 ± 13.94
Femoral head (left)
V₃₀ (%)	15.63 ± 4.29	10.03 ± 3.94*	8.37 ± 3.69	7.71 ± 3.78
V₄₀ (%)	5.98 ± 3.35	2.86 ± 2.60*	2.51 ± 2.52	2.39 ± 2.48
V₅₀ (%)	0.46 ± 0.75	0.34 ± 0.70	0.38 ± 0.72	0.39 ± 0.69
Femoral head (right)
V₃₀ (%)	14.96 ± 4.15	9.19 ± 3.29*	7.39 ± 2.97	7.20 ± 3.37
V₄₀ (%)	5.20 ± 2.90	2.43 ± 2.08*	2.01 ± 2.00	1.98 ± 1.99
V₅₀ (%)	0.34 ± 0.62	0.20 ± 0.43	0.30 ± 0.59	0.32 ± 0.59

Abbreviations: IMRT (N) without bone marrow as avoidance structures, IMRT (BM) whole bone marrow as avoidance structures, IMRT (OC) os coxae as avoidance structures, IMRT (OC + LS) Both os coxae and lumbosacral spine as avoidance structures, V_n percentage of volume receiving n Gy

*p value < 0.05 while comparing IMRT (N) plan with other three plans

^†p value < 0.05 while comparing IMRT (BM) plan with IMRT (OC) and IMRT (OC + LS) plans, respectively