Table 3.

Comparisons of acute grade 2 toxicity between prostate-only volumetric-modulated arc therapy (PO VMAT) and whole-pelvic volumetric-modulated arc therapy (WP VMAT)

Toxicity	PO VMAT	WP VMAT	p-value
GI	7 (6.7%)	17 (14.3%)	0.066
Proctitis	7 (6.7%)	12 (10.1%)	0.360
Diarrhoea	0	7 (5.9%)	0.015
GU	11 (10.5%)	15 (12.6%)	0.620
Frequency	9 (8.6%)	14 (11.8%)	0.432
Retention	3 (2.9%)	1 (0.8%)	0.343
Haematuria	2 (1.9%)	1 (0.8%)	0.601
Urinary tract pain	2 (1.9%)	0	0.219
Urgency	1 (1.0%)	0	0.469

GI, gastrointestinal; GU, genitourinary.