Comparisons of the control group and experimental groups in accordance with the one-way ANOVA and Dunnett's multiple comparisons test. A p < 0.05 value was considered statistically different. ns shows no significant difference among groups.

Dose groups (Gy)	p-Value
	L 0	L max	DI
0–2	0.004	0.09 (ns)	0.9 (ns)
0–12	0.0004	0.5 (ns)	0.2 (ns)
0–25	0.04	<0.0001	0.007
2–12	0.9 (ns)	0.8 (ns)	0.5 (ns)
2–25	0.8 (ns)	0.0040	0.0005
12–25	0.4 (ns)	<0.0001	2 × 10−6