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Table 5 κ-statistics for the agreement between PETCT and PETMRAC (PETDeepUTE, PETDixonBone, PETUTE) for each reader. A κ value of 0 indicates no agreement better than chance, while 1.0 means perfect agreement

From: Quantitative and clinical impact of MRI-based attenuation correction methods in [18F]FDG evaluation of dementia

  PETCT vs PETDeepUTE Agreement (κ) PETCT vs PETDixonBone Agreement (κ) PETCT vs PETUTE Agreement (κ)
Reader 1 77.8% (0.54) 66.7% (0.41) 66.7% (0.47)
Reader 2 72.2% (0.63) 66.7% (0.55) 83.3% (0.78)
Reader 3 72.2% (0.55) 66.7% (0.47) 61.1% (0.39)
Mean of readers 74.1% 66.7% 70.4%