Patient number

Number

of scans

CTDI volume (mGy)

DEq

(mGy)

Absolute difference (mGy)

Percentage difference

Patient 1

3

26.4

33.6

7.2

27%

Patient 2

2

49.3

62.3

13

26%

Patient 3

2

16

20.4

4.4

28%

Patient 4

4

43.6

55.4

11.8

28%

Patient 5

2

14.9

19.0

4.1

28%

Patient 6

2

27

34.3

7.3

27%

Patient 7

2

32.1

40.7

8.6

27%

Patient 8

2

19

24.2

5.2

27%

Patient 9

1

15.8

20.0

4.2

27%

Patient 10

2

39.6

50.1

10.5

27%

Patient 11

2

18

23.0

5

28%

Patient 12

4

25.7

33.0

7.3

28%

Patient 13

2

14.9

19.0

4.1

28%

Patient 14

3

36.3

46.1

9.8

27%

Patient 15

3

39.4

50.0

10.6

27%

Patient 16

4

25.1

32.2

7.1

28%

Patient 17

2

18.8

24.0

5.2

28%

Patient 18

2

16.8

21.4

4.6

27%

Patient 19

2

29.4

37.3

7.9

27%

Patient 20

1

18.2

23.0

4.8

26%