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Table 1 Comparison of the baseline clinical characteristics of the patients in the PET/CT and CT groups

From: PET/CT-guided versus CT-guided percutaneous core biopsies in the diagnosis of bone tumors and tumor-like lesions: which is the better choice?

Variable

PET/CT group (n = 42)

CT group (n = 55)

χ2 or t value

P value

Sex

 Male

30

34

0.98

0.322*

 Female

12

21

  

Age (mean + SD)

57.6 ± 5.2

55.7 ± 7.3

0.275

0.583#

Localization of the bone biopsy

 Spinal column

  Cervical vertebrae

2

1

0.653

0.419*

  Thoracic vertebrae

5

5

0.204

0.652*

  Lumbar vertebrae

7

10

0.038

0.846*

  Sacrum

6

7

0.05

0.823*

 Upper extremity

  Humerus

5

5

0.204

0.652*

  Radius

2

1

0.653

0.419*

  Ulna

1

2

0.125

0.723*

 Lower extremity

  Femur

4

8

0.554

0.457*

  Tibia

2

6

1.189

0.275*

  Fibula

2

2

0.076

0.782*

 Pelvis

6

8

0.001

0.971*

Number of bone lesions

 Isolated

17

25

0.24

0.624*

 Multifocal (≥2)

25

30

  

 Lesion diameter (mean ± SD cm)

5.5 ± 1. 8

5.1 ± 2.5

2.683

0.753#

Postsurgical histopathology diagnosis

 Primary benign bone tumor

3

10

2.5

0.114*

 Primary bone malignancies

19

18

0.957

0.328*

 Bone metastases

17

20

0.171

0.679*

 Tumor-like bone lesion

3

7

0.803

0.370*

  1. 2 test, #Independent-samples t-test