Table IV.

Summary of dose measurements for clinical and custom three-dimensional (3D) imaging protocols on the mobile C-arm for head and body protocols. Custom protocols are highlighted in gray. The terms D₀, ${\overline{D}}_P$, and D_W represent the central, average peripheral, and weighted dose, respectively, as defined in Section 2.B.2

Protocol	D0 (mGy)	${\overline{\mathit{D}}}_{\mathit{P}}$ (mGy)	Dw (mGy)
16 cm cylindrical phantom (head)
Low dose	0.7	0.8	0.8
Standard	1.4	1.6	1.5
High quality	4.2	4.9	4.6
Extra power: obese	4.2	4.9	4.7
Custom head 1	7.6	8.7	8.3
Custom head 2	15.1	17.4	16.6
Custom head 3	36.0	41.6	39.7
32 cm cylindrical phantom (body)
Custom body 1	0.6	1.1	0.9
Custom body 2	1.2	2.1	1.8
Custom body 3	3.2	5.8	4.9
Low dose	4.4	7.2	6.3
Standard	8.9	14.4	12.5
High quality	20.0	37.1	31.4
Extra power: obese	25.1	44.5	38.0