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

Table 2

Erosion score as well as level of TMJ erosion score and inflammatory mediators in blood samples from 47 patients with early rheumatoid arthritis.

			Percentile
		Median	25th	75th	Min	Max	Mean	SD	$n$	%abn
Erosion score	0–24	2.0	00	3.8	0	9	2.4	2.3	47	72
TMJ crepitus	0–4	0	0	0.8	0	4	0.3	0.7	47	26
Blood levels
Plasma
Glutamate	$\mu$mol/L	3.4	1.0	7.2	0.1	10.2	4.1	3.2	47
Tumor necrosis factor	Pg/mL	9	7.5	14	4.0	107	14	16	47	68
Interleukin-1$\beta$	pg/mL	3.3	1.1	7.7	0.5	46	5.2	7.1	47	64
Interleukin-6	pg/mL	27	14	36	2.8	200	32	32	47	36
Serum
Serotonin	nmol/L	610	358	958	16.3	1818	667	395	43
Whole blood
Vascular endothelial growth factor	Pg/mL	143	99	186	46	1027	179	170	36	28

$n$: number of observations, $\mathit{\%}$ abn: $\%$ of patients with values outside the 5th–95th percentile range according to the reference values (see Section 2).