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Table B.25: Red bone marrow in the whole body - Helmholtz ...

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143<br />

<strong>Table</strong> D.27: <strong>Red</strong> <strong>bone</strong> <strong>marrow</strong> <strong>in</strong> <strong>the</strong> <strong>whole</strong> <strong>body</strong><br />

Mean organ dose normalised to air kerma free <strong>in</strong> air on <strong>the</strong> axis of rotation<br />

and average coefficients of variance per s<strong>in</strong>gle 1 cm wide slice; <strong>the</strong> volume<br />

ratio of <strong>the</strong> organ located with<strong>in</strong> each s<strong>in</strong>gle slice is also shown.<br />

Slice Volume Conversion factors Coeff.<br />

ratio<br />

of var.<br />

80 kV 125 kV<br />

cm % 360° 180° 360° 180° %<br />

0 to 1 1.0 .0045 .0045 .0060 .0060 0.46<br />

1 to 2 1.8 .0074 .0074 .0101 .0101 0.35<br />

2 to 3 1.5 .0069 .0071 .0092 .0095 0.35<br />

3 to 4 1.3 .0062 .0065 .0083 .0087 0.36<br />

4 to 5 1.0 .0051 .0055 .0069 .0074 0.39<br />

5 to 6 0.8 .0043 .0045 .0059 .0061 0.42<br />

6 to 7 0.6 .0040 .0041 .0054 .0056 0.44<br />

7 to 8 0.5 .0035 .0036 .0049 .0051 0.45<br />

8 to 9 0.5 .0034 .0037 .0049 .0051 0.45<br />

9 to 10 0.8 .0046 .0051 .0064 .0071 0.40<br />

10 to 11 1.2 .0057 .0066 .0080 .0092 0.36<br />

11 to 12 1.3 .0055 .0058 .0079 .0083 0.37<br />

12 to 13 2.4 .0074 .0071 .0108 .0105 0.34<br />

13 to 14 2.0 .0069 .0064 .0100 .0094 0.36<br />

14 to 15 1.2 .0052 .0054 .0075 .0078 0.39<br />

15 to 16 1.0 .0043 .0043 .0064 .0063 0.43<br />

16 to 17 0.7 .0036 .0032 .0053 .0049 0.47<br />

17 to 18 0.6 .0034 .0030 .0049 .0045 0.49<br />

18 to 19 0.6 .0034 .0032 .0049 .0048 0.49<br />

19 to 20 0.6 .0033 .0033 .0047 .0047 0.49<br />

20 to 21 0.7 .0043 .0046 .0059 .0062 0.43<br />

21 to 22 1.5 .0059 .0058 .0080 .0080 0.25<br />

22 to 23 2.3 .0088 .0086 .0122 .0119 0.31<br />

23 to 24 2.0 .0075 .0076 .0106 .0106 0.34<br />

24 to 25 1.4 .0060 .0061 .0084 .0085 0.37<br />

25 to 26 1.2 .0051 .0049 .0073 .0069 0.39<br />

26 to 27 0.9 .0044 .0040 .0063 .0058 0.43<br />

27 to 28 0.9 .0044 .0038 .0063 .0056 0.43<br />

28 to 29 1.0 .0045 .0039 .0063 .0057 0.43<br />

29 to 30 1.0 .0044 .0038 .0063 .0055 0.43<br />

30 to 31 0.8 .0041 .0036 .0058 .0051 0.44<br />

31 to 32 0.9 .0044 .0040 .0062 .0056 0.43<br />

32 to 33 0.8 .0039 .0033 .0057 .0049 0.45<br />

33 to 34 0.9 .0040 .0033 .0058 .0048 0.45

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