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. Author manuscript; available in PMC: 2021 Jun 1.
Published in final edited form as: Eur Radiol. 2020 Feb 13;30(6):3538–3548. doi: 10.1007/s00330-020-06658-3

Figure 4: Performance of the convolutional Siamese network model.

Figure 4:

(A) Receiver operating characteristic (ROC) curve of Model A trained with 1,505 subjects with unilateral frequent knee pain. (B) ROC curve of Model B trained with 710 subjects with unilateral frequent knee pain and contralateral knee difference in WOMAC pain ≥ 3. (C) Sub-group analysis. Performance of the models as a function of KL-grade, BMI, age, and gender. The asterisk (*) is used to indicate that KL-grade was not available on few cases for the sub-group analysis.