Table 1.

The number of thermoluminescent dosimeters (TLDs) for each organ. Results of mean values of absorbed doses per one TLD with one 3D O-arm acquisition and one minute of C-arm for each organ of the phantom, and ratio between both methods (PA, posteroanterior).

Organ	Number of TLDs	One acquisition of O-arm in (μGy)	One minute of C-arm in (μGy)	O-arm /C-arm ratio	p (Student’st-test)
Far scattered radiation					0.02
Brain	2	0.86	0.15	5.73
Left eye	1	1.03	0.04	26
Right eye	1	1.16	0.27	4.3
Thyroid	2	2.56	0.49	5.22
Right lung	2	6.42	3.08	2.08
Left lung	2	5.85	1.54	3.8
Upper spine	1	4.29	1.66	2.58
Close scattered radiation					0.07
Gallbladder	2	89.86	49.16	1.83
Liver	5	36.41	21.32	1.7
Intestine	3	114.85	55.34	2.08
Pancreas	1	25.11	8.03	3.13
Left kidney	1	26.3	8.32	3.16
Direct radiation					0.07
Rectum	1	891.83	737.51	1.21
Bladder	2	865.02	658.35	1.31
Uterus/gonad	3	631.22	753.24	0.84
Pelvic bone	2	559.57	463.79	1.21
Skin entrance PA	2	1691.87	214.08	7.9
Total	33		Mean (sd)	4.32 (5.89)