Figure 4From: Decrease in the expression of the type 1 PTH/PTHrP receptor (PTH1R) on chondrocytes in animals with osteoarthritisCorrelation between the macroscopic grade of osteoarthritis (OA) and the expression of PTH1R. A negative correlation was demonstrated, with a Spearman's coefficient of -0.541 (P < 0.001).Back to article page