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Table 3 Correlation of PET/CT with cartilage biopsy in diagnosing RP

From: Is 18F-FDG PET/CT useful for diagnosing relapsing polychondritis with airway involvement and monitoring response to steroid-based therapy?

PET/CTaCartilage biopsyTotal
Nasal cartilage
McNemar’s chi-square test: χ2 = NaN; p = NaN
Auricular cartilage
McNemar’s chi-square test: χ2 = 7.69; p = 0.005
Tracheal/bronchial cartilage
McNemar’s chi-square test: χ2 = 15.1; p = 0.001
  1. PET/CT positron emission tomography/computed tomography, NaN not a number, RP relapsing polychondritis
  2. aPET/CT-guided biopsy was performed in affected cartilage when PET/CT showed increased FDG uptake