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Table 4 Single-photon emission computed tomography-computed tomography (SPECT-CT) and arthroscopic findings in 33 femoral trochleae (subject numbers are shown in each cell)

From: Value of SPECT-CT Imaging for Middle-Aged Patients with Chronic Anterior Knee Pain

SPECT grade Arthroscopic ICRS grade1
0 (Negative) I II III IV Total
0 0 0 0 0 0 0
1 1 1 5 2 0 9
2 1 5 5 2 0 13
3 0 2 1 5 3 11
Total 2 8 11 9 3 33
  1. Agreement between the two tests: ɣ = 0. 397
  2. 1International Cartilage Repair Society (ICRS)