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Table 5 Average and (1SD) variation based on six absorbed dose meausurements and combined point dose uncertainty for twenty dosimeters with NewTom 5G (12 × 8 cm FOV)

From: Effective radiation dose of a MSCT, two CBCT and one conventional radiography device in the ankle region

Dosimeter location

Dosimeter

Measured

Dose

Point dose

in phantom

no.

dose (mGy)

uncertainty (%)

uncertainty (%)

Tibia

1

0.25

33%

36 %

Peroneus brevis

2

0.33

27%

31 %

Gastrocnemius

3

0.52

20%

25 %

Tibia

4

0.48

22%

26 %

Tibialis anterior

5

0.53

20%

25 %

Fibula

6

0.73

17%

22 %

Tibia

7

0.81

16%

22 %

Superior extensor Retinaculum

8

3.86

7%

16 %

Tibia

9

4.04

7%

16 %

Calcaneal tendon

10

7.11

5%

16 %

Fibula

11

6.53

5%

16 %

Lymp.vein

12

10.4

4%

16 %

Posterior calcaneal tuberosity

13

7.71

5%

16 %

Navicular

14

4.09

7%

16 %

Talus

15

4.66

6%

16 %

Metatarsals

16

4.25

6%

16 %

Lymp.vein

17

6.15

5%

16 %

Calcaneus

18

6.45

5%

16 %

Calcaneal tuberosity

19

7.33

5%

16 %

Flexor digitorum brevis

20

3.40

7%

17 %