Table 2.

Maximum percentage dose difference between bolus depth–dose curves (DDCs) and gold standard “no bolus” DDCs

Bolus	6 MV (%)	15 MV (%)
3-mm Superflab™	<2.0	<1.9
5-mm Superflab	<2.8	<2.7
10-mm Vaseline®	<2.8	<2.7
1-mm brass	<0.7	<0.7

Superflab™ was obtained from Mick Radio-Nuclear Instruments.