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Table 3 Comparison of bone marrow quantitative positron emission tomography (PET) parameters between men and women

From: Semi-automated histogram analysis of normal bone marrow using 18F-FDG PET/CT: correlation with clinical indicators

 

Men n = 57

Women n = 41

p

Volume (cm3)

1140.24 ± 154.75

798.38 ± 104.62

 < 0.0001*

SULmax

2 ± 0.38

1.73 ± 0.28

0.0001*

SULmean

0.79 ± 0.1

0.75 ± 0.11

0.024*

Entropy

4.38 ± 0.19

4.19 ± 0.23

 < 0.0001*

%Higher volume

3.87 ± 0.73

2.15 ± 0.43

0.0063*

Deauville 5-point score

 2

31

7

0.0002*

 3

23

25

 

 4

3

9

 
  1. SULmax, maximum standard-uptake value corrected by lean body mass; SULmean, mean standard-uptake value corrected by lean body mass; %Higher volume, percentage of bone marrow volume with higher SUL than that of mediastinum
  2. *Statistically significant. The numbers in the table show the mean ± standard deviation. †SULmean of bone marrow of the 11th thoracic spine: 2 = below the mediastinum, 3 = above the mediastinum and below the liver, 4 = above that of the liver