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Fig. 3 | BMC Musculoskeletal Disorders

Fig. 3

From: The prevalence and parameters of fabella and its association with medial meniscal tear in China: a retrospective study of 1011 knees

Fig. 3

Receiver operator characteristic curve analysis. a Age yielded an area under the curve (AUC) of 0.766; b Fabellar parameters whose AUC differed significantly from 0.5 were showed. Length (red line, AUC = 0.609), width (blue line, AUC = 0.604), length/thickness ratio (green line, AUC = 0.706), width/thickness ratio (yellow line, AUC = 0.688). c Combination = width + length/thickness + age (AUC = 0.791). Reference line (grey line): AUC = 0.5

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