Table 2:

Average ESDs to the operators for 25 therapeutic interventional radiology procedures

Point No.	Area	Average (mGy; mean ± SD)	Range (mGy)	Median (mGy)	25–75 percentiles (mGy)
1 in Fig 3	Right eye	0.028 ± 0.032	0.006–0.133	0.018	0.012–0.027
2 in Fig 3	Left eye	0.254 ± 0.338	0.014–1.241	0.132	0.076–0.230
3 in Fig 3	Thyroid (underneath protector)	0.035 ± 0.056	0.002–0.198	0.012	0.005–0.025
17 in Fig 3	Thyroid (outside protector)	0.072 ± 0.071	0.008–0.210	0.050	0.015–0.094
9 in Fig 3	Posterior neck (underneath protector)	0.029 ± 0.042	0.001–0.182	0.015	0.005–0.026
4 in Fig 3	Right upper arm	0.032 ± 0.046	0.005–0.188	0.015	0.010–0.026
5 in Fig 3	Left upper arm	0.390 ± 0.732	0.013–3.296	0.168	0.042–0.271
11 in Fig 3	Back of right hand	0.050 ± 0.070	0.004–0.242	0.018	0.014–0.037
12 in Fig 3	Back of left hand	0.240 ± 0.498	0.009–2.506	0.101	0.050–0.210
13 in Fig 3	Right finger	0.110 ± 0.156	0.004–0.516	0.037	0.020–0.082
14 in Fig 3	Left finger	0.208 ± 0.341	0.006–1.333	0.068	0.028–0.171
6 in Fig 3	Chest (underneath protector)	0.009 ± 0.021	0.000–0.105	0.002	0.001–0.005
15 in Fig 3	Chest (outside protector)	0.152 ± 0.260	0.008–1.099	0.066	0.026–0.109
10 in Fig 3	Back (underneath protector)	0.016 ± 0.030	0.000–0.136	0.008	0.002–0.013
7 in Fig 3	Abdomen (underneath protector)	0.008 ± 0.017	0.000–0.069	0.002	0.001–0.005
16 in Fig 3	Abdomen (outside protector)	0.165 ± 0.303	0.003–1.334	0.058	0.027–0.129
8 in Fig 3	Femur (underneath protector)	0.013 ± 0.024	0.000–0.090	0.004	0.001–0.010