Fig. 5From: The evaluation of degeneration of posterior cruciate ligament using CT Hounsfield unit in knee osteoarthritisThe CT HU values for PCL with different degenerative grades. The CT HU value of mild degeneration was significantly higher than that of the others (mild versus moderate: *p < 0.05, mild versus severe: *p < 0.05, moderate versus severe: p > 0.05, Kruskal-Wallis test). The error bar shows the standard deviationBack to article page