Table 1.

Patient characteristics between the two treatment groups

	IMPT	VMAT	P‐value
Patient number	12	12
Age at treatment (yr)			0.28
Median (Range)	74 (59–83)	70 (49–84)
Gender
Male, No.	5 (41.7%)	7 (58.3%)
Tumor volume (cm3)			0.02
Median (Range)	257.1 (47.4–470.0)	98.0 (43.3–584.0)
Motion amplitude (mm)			0.79
Median (Range)	6.5 (3.0–11.0)	6.3 (1.0–11.0)
Prescription dose (Gy[RBE])			0.86
Median (Range)	60 (34–66)	60 (45–60)