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Fig. 3 | BMC Musculoskeletal Disorders

Fig. 3

From: Effusion detected by ultrasonography and overweight may predict the risk of knee osteoarthritis in females with early knee osteoarthritis: a retrospective analysis of Iwaki cohort data

Fig. 3

Receiver operating characteristic curves for the effusion area and for predicting the progression of knee osteoarthritis in participants who were and were not overweight. a ROC curve for male participants and b ROC curve for female participants. ROC: receiver operating characteristic, TPF: true-positive fraction, FPF: false-positive fraction, AUC: area under curve

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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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