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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