Table 5.

Comparison of measured and simulated imaging dose for the head AP protocol using a symmetric full-bowtie profile.

	Measurement	MCNPX
Location	(mGy/mAs)	(mGy/mAs)	% Diff.
1	3.69 × 10−02	3.57 × 10−02	−3.25
2	1.09 × 10−01	1.02 × 10−01	−6.42
3	8.99 × 10−03	8.52 × 10−03	−5.23
4	1.53 × 10−02	1.46 × 10−02	−4.58
5	2.22 × 10−02	1.66 × 10−02	−25.23
Average % Diff. (SD)			−8.94 (9.18)