Technique

3D CRT (%)

VMAT (%)

P-value*

Epistaxis pre-treatment

2 (8.3%)

10 (41.6%)

p = 0.5

Epistaxis post-treatment

0 (0%)

2 (8.3)

Nasal obstruction pre-treatment

9 (37.5%)

15 (62.5%)

p ≤ 0.012

Nasal obstruction post-treatment

0 (0%)

3 (12.5%)