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Table 5 Two crosstabs of image quality: grading of the 75 s and 57 s PET dataset -  reader 1 and reader 2

From: Feasibility of equivalent performance of 3D TOF [18F]-FDG PET/CT with reduced acquisition time using clinical and semiquantitative parameters

  Grade 1 Grade 2 Grade 3 Grade 4
(75 s) (75 s) (75 s) (75 s)
Reader 1     
Grade 1 (57 s) 29 13 0 0
Grade 2 (57 s) 15 29 4 0
Grade 3 (57 s) 0 4 2 0
Grade 4 (57 s) 0 0 0 0
Reader 2     
Grade 1 (57 s) 17 22 1 0
Grade 2 (57 s) 26 22 1 1
Grade 3 (57 s) 0 3 2 0
Grade 4 (57 s) 0 0 1 0