The impact of direct aperture optimization on plan quality and efficiency in complex head and neck IMRT

Radiation Oncology

Table 3 Average MU and treatment time for the three different optimization systems.

Parameter	DSS	KonRad	DAO
MU	807 ± 110	564 ± 78	308 ± 21
reduction	-	30%	62%
treatment time [min]	10.5 ± 1.2	9.75 ± 1.2	7.0 ± 0.9
reduction [min]	-	0.75	3.5

Given are the calculated average MU for a 2 Gy fraction, the average treatment time and the respective reduction to the highest values (DSS).

ISSN: 1748-717X