Table 2.

The treatment record data including patient’s age, bladder size on planning CT and treatment time per fraction for the two bladder filling protocols

		Empty bladder protocols (n = 49) Median (Range)	Full bladder protocols (n = 41) Median (Range)	p value
Age (years)		77.6 (60–84)	76.6 (64–88)	0.56
Bladder size on planning CT (cc)		71.6 (32.8–180.4)	154.6cc (38.0–581.8)	<0.05
Treatment time per fraction (minutes)		3.2 (0.5–69.2)	3.0 (1.0–73.0)	0.47
IGRT corrections	VRT (mm)	3 (0–17)	3 (0–15.3)	0.10
	LNG (mm)	2 (0–20)	2 (0–12)	0.69
	LAT (mm)	2 (0–11)	2 (0–12)	0.06