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Table 3 Comparison of the diagnostic performance and cost between 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?

  Biopsy method λ2 value P value
PET/CT group CT group
Overall diagnostic yield 97.62% (41/42) 81.82% (45/55) 4.825 0.028*
Diagnostic accuracy 97.62% (41/42) 76.36% (42/55) 6.739 0.009*
Average cost (mean + SD, Thousand RMB) 13 ± 5.5 4.3 ± 3.1 2.352 < 0.001#
  1. *χ2 test, #Independent-samples t-test