Effects of the dose-volume relationship on and risk factors for maxillary osteoradionecrosis after carbon ion radiotherapy

Table 3 Correlation between dose-volume histogram parameters and osteoradionecrosis

Parameters (mean, ml)	ORN	No ORN	p value
V10	20.68	13.71	0.0054
V20	16.55	9.64	0.0004
V30	13.34	5.86	<0.0001
V40	10.90	3.73	<0.0001
V50	9.32	2.48	<0.0001

All DVH parameters were significantly higher in patients with ORN than in those without ORN.

ISSN: 1748-717X