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Table 3 Single-photon emission computed tomography-computed tomography (SPECT-CT) and arthroscopic findings in 33 patellae (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 I II III IV Total
0 1 1 0 0 0 2
1 1 2 2 1 0 6
2 1 3 7 4 0 15
3 0 1 3 4 2 10
Total 3 7 12 9 2 33
  1. Agreement between the two tests: ɣ = 0.625
  2. 1International Cartilage Repair Society (ICRS)