Table 1.

Imaging settings and effective doses for the Siemens scanner

No.	Arms	mAs	Scout	Strength	ED (mSv)
1	Down	50	PA + Lat	Average	3.2
2	Down	50	PA	Average	4.2
3	Down	50			4.9
4	Down	25	PA + Lat	Average	1.6
5	Down	25	PA	Average	2.1
6	Down	100	PA + Lat	Average	6.6
7	Down	100	PA	Average	8.6
8	Down	50	AP + Lat	Average	3.2
9	Down	50	AP	Average	3.3
10	Down	50	Lat	Average	3.4
11	Down	50	PA + Lat	Weak	3.4
12	Down	50	PA	Weak	4.0
13	Down	50	PA + Lat	Strong	3.4
14	Down	50	PA	Strong	5.2
15	Up	50	PA + Lat	Average	2.0
16	Up	50	PA	Average	4.1
17	Up	50			4.9
18	Up	25	PA + Lat	Average	1.0
19	Up	25	PA	Average	1.9
20	Up	100	PA + Lat	Average	4.2
21	Up	100	PA	Average	8.4

mAs = quality reference mAs when AEC was applied; Scout = direction of the scout image(s) used for dose modulation; Strength = strength of dose modulation; ED = effective dose. Only mean values are presented for ED because all SDs are 0.0.