. 2021 Apr 22;11:646211. doi: 10.3389/fonc.2021.646211

Table 3.

Independent sample t test of OARs’ dose-volume parameters between PBM sparing IMRT group and non-PBM sparing IMRT group $(\bar{x} \pm s)$ .

Dose-volume parameters	Bladder		P	Small bowel		P	Left femoral head		P	Right femoral head		P
Dose-volume parameters	PBM sparing IMRT (%)	non-PBM sparing IMRT (%)		PBM sparing IMRT (cc)	non-PBM sparing IMRT (cc)		PBM sparing IMRT (%)	non-PBM sparing IMRT (%)		PBM sparing IMRT (%)	non-PBM sparing IMRT (%)
V ₅	100.0 ± 0.0	100.0 ± 0.0	0.285	1053 ± 535	1056 ± 370	0.968	79.8 ± 15.6	95.0 ± 7.5	<0.001	78.6 ± 17.8	94.7 ± 8.0	<0.001
V ₁₀	100.0 ± 0.2	100.0 ± 0.0	0.354	984 ± 499	995 ± 353	0.896	53.7 ± 20.6	84.9 ± 15.0	<0.001	53.8 ± 21.7	84,.0 ± 16.4	<0.001
V ₁₅	99.9 ± 1.1	99.9 ± 0.5	0.749	907 ± 456	934 ± 336	0.722	37.2 ± 18.5	74.1 ± 19.9	<0.001	36.2 ± 19.7	73.9 ± 20.6	<0.001
V ₂₀	99.1 ± 3.1	99.3 ± 1.8	0.718	806 ± 390	840 ± 314	0.614	23.7 ± 13.7	57.4 ± 21.4	<0.001	23.2 ± 17.2	55.7 ± 20.8	<0.001
V ₂₅	94.4 ± 7.9	96.3 ± 5.6	0.141	663 ± 281	683 ± 265	0.691	12.9 ± 9.3	35.9 ± 17.3	<0.001	12.6 ± 12.1	33.6 ± 17.2	<0.001
V ₃₀	82.2 ± 13.7	86.5 ± 9.8	0.062	503 ± 209	532 ± 215	0.583	6.0 ± 5.8	20.4 ± 12.5	<0.001	5.8 ± 6.1	18.4 ± 12.6	<0.001
V ₃₅	64.2 ± 16.5	67.9 ± 12.3	0.182	372 ± 161	391 ± 176	0.552	2.6 ± 3.4	8.3 ± 5.3	<0.001	2.6 ± 3.5	7.6 ± 6.2	<0.001
V ₄₀	47.9 ± 16.4	49.8 ± 13.4	0.505	268 ± 122	280 ± 142	0.625	1.0 ± 1.7	2.5 ± 2.7	0.001	1.0 ± 2.0	2.5 ± 2.7	0.001
V ₄₅	33.5 ± 14.8	33.0 ± 12.9	0.838	193 ± 98	199 ± 118	0.784	0.3 ± 0.6	0.6 ± 1.1	0.068	0.4 ± 0.9	0.5 ± 0.9	0.358
V ₅₀	16.8 ± 11.7	15.4 ± 10.9	0.523	110 ± 74	104 ± 94	0.688	0.0 ± 0.0	0.1 ± 0.3	0.284	0.0 ± 0.2	0.0 ± 0.1	0.946
D_mean	3932 ± 356	3977 ± 272	0.388	3009 ± 418	3069 ± 432	0.459	1340 ± 393	2146 ± 433	0.001	1318 ± 436	2114 ± 436	<0.001