Temporomandibular Joint Bone Tissue Resorption in Patients with Early Rheumatoid Arthritis Can Be Predicted by Joint Crepitus and Plasma Glutamate Level

Figure 2

Scatter plots showing (a) the relationship between serum level of serotonin and temporomandibular joint (TMJ) bone erosion score in the male patients ($r_s=0.54\text{,}$$n=16\text{,}$$P=.031$) and (b) in the female patients ($r_s=-0.34\text{,}$$n=27\text{,}$$P=.080$). $\bullet$: males, $\circ$: females.

(a)

(b)