Fig. 3From: Meniscus extrusion is a predisposing factor for determining arthroscopic treatments in partial medial meniscus posterior root tearsCorrelation between duration from onset to MRI examination and MM extrusion. A In the pullout repair group, the regression equation was linear: MM extrusion = 0.015 × duration + 2.908 mm (R2 = 0.54, P < 0.001, 0.462 mm/month increase). B No significant correlation between duration and MM extrusion was observed in the nonoperative management groupBack to article page