Fig. 5
From: Assessment of meniscal extrusion with ultrasonography: a systematic review and meta-analysis
Forest plots of the correlation of US to MRI in supine position of the knee. Reference lines thresholds: 0.8, very strong (green); 0.6, strong (blue); 0.4, moderate (orange); 0.2, weak (red). *, denotes paper with separate date for medial and lateral meniscal extrusion