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Table 4 Univariate analyses between clinical indicators and positron emission tomography (PET)-derived parameters

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

 

Men n = 57

Women n = 41

Age

WBC

Hb

Current smoker (−/ +)

Age

WBC

Hb

Current smoker (−/ +)

SULmax

 r

−0.1028

0.26

0.13

 

−0.3929

0.0849

0.2894

 

 p

0.4465

0.0508

0.9734

0.2356

0.0110*

0.5977

0.0665

0.1632

SULmean

 r

−0.541

0.2145

0.3041

 

−0.8097

0.1351

0.2733

 

 p

 < 0.0001*

0.109

0.0215*

0.6008

 < 0.0001*

0.3966

0.0839

0.2168

Entropy

 r

−0.5279

0.1136

0.0855

 

−0.6541

0.0205

0.1087

 

 p

 < 0.0001*

0.4002

0.5271

0.9861

 < 0.0001*

0.8989

0.4987

0.1202

% Higher volume

 r

−0.259

0.0752

0.0666

 

−0.3994

−0.1098

0.1527

 

 p

0.0517

0.5783

0.6227

0.5187

0.0097*

0.4944

0.3405

0.5187

Deauville 5-point score†

 p

0.2524

0.5485

0.7451

0.3017

0.9959

0.3373

0.6931

0.2618

  1. WBC white blood cell, Hb hemoglobin, 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. r = Pearson’s correlation coefficient (Spearman’s correlation coefficient for the smoking habit). A positive or negative r represents the direction of direct or inverse correlation, respectively
  3. †Fisher's exact test
  4. *Statistically significant. †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. “Current smoker” includes those who are smoking or previous smokers less than 5 years
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BMC Medical Imaging

ISSN: 1471-2342

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