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. Author manuscript; available in PMC: 2019 May 16.
Published in final edited form as: J Magn Reson Imaging. 2018 Oct 10;49(2):400–410. doi: 10.1002/jmri.26246

TABLE 2B.

Distribution of the Cartilage WORMS Grades and Binary in the Training Dataset

mWORMS 0 1 2 3 4 5 6
Description Normal Signal abnormality Partial thickness defect < 1cm Multiple partial thickness defects < 1 cm Diffuse partial thickness defect > 75% Multiple partial thickness defects > 1 cm < 75% Multiple partial thickness defects > 1 cm > 75%
Count(%) 578 (39.11%) 278 (18.81%) 195 (13.19%) 274 (18.54%) 35 (2.37%) 78 (5.28%) 43 (2.91%)
Binary classifier (0,1) (2–6)
Description Normal Abnormal
count (%) 856 (57.91%) 622 (42.08%)

N = 1478.