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

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73<br />

<strong>Table</strong> B.27: Sk<strong>in</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 0.8 .0069 .0070 .0075 .0075 0.75<br />

1 to 2 1.1 .0098 .0099 .0107 .0107 0.62<br />

2 to 3 1.4 .0116 .0118 .0129 .0130 0.56<br />

3 to 4 1.5 .0129 .0128 .0143 .0145 0.54<br />

4 to 5 1.6 .0137 .0137 .0151 .0153 0.52<br />

5 to 6 1.6 .0141 .0144 .0159 .0159 0.51<br />

6 to 7 1.7 .0150 .0149 .0166 .0167 0.50<br />

7 to 8 2.0 .0170 .0181 .0190 .0199 0.46<br />

8 to 9 2.6 .0201 .0225 .0225 .0247 0.43<br />

9 to 10 1.9 .0170 .0179 .0188 .0199 0.47<br />

10 to 11 1.8 .0167 .0179 .0183 .0194 0.47<br />

11 to 12 1.6 .0157 .0162 .0172 .0177 0.49<br />

12 to 13 1.7 .0163 .0162 .0178 .0179 0.48<br />

13 to 14 1.9 .0174 .0177 .0189 .0193 0.46<br />

14 to 15 1.9 .0184 .0182 .0200 .0200 0.45<br />

15 to 16 2.0 .0196 .0190 .0213 .0208 0.44<br />

16 to 17 2.2 .0206 .0201 .0226 .0221 0.43<br />

17 to 18 2.4 .0227 .0219 .0249 .0242 0.41<br />

18 to 19 2.9 .0257 .0251 .0281 .0273 0.38<br />

19 to 20 2.9 .0264 .0256 .0288 .0280 0.38<br />

20 to 21 2.6 .0244 .0237 .0268 .0259 0.40<br />

21 to 22 2.6 .0248 .0239 .0268 .0261 0.39<br />

22 to 23 2.6 .0242 .0234 .0266 .0258 0.40<br />

23 to 24 2.6 .0241 .0234 .0264 .0257 0.40<br />

24 to 25 2.6 .0240 .0234 .0263 .0255 0.40<br />

25 to 26 2.5 .0237 .0232 .0258 .0254 0.40<br />

26 to 27 2.5 .0234 .0230 .0255 .0252 0.40<br />

27 to 28 2.4 .0229 .0226 .0249 .0247 0.41<br />

28 to 29 2.3 .0223 .0224 .0243 .0242 0.41<br />

29 to 30 2.3 .0220 .0222 .0239 .0242 0.42<br />

30 to 31 2.4 .0224 .0229 .0244 .0248 0.41<br />

31 to 32 2.3 .0223 .0226 .0240 .0242 0.41<br />

32 to 33 2.4 .0217 .0219 .0236 .0238 0.42<br />

33 to 34 1.6 .0161 .0158 .0176 .0170 0.49

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