The Diagnostic Value of Synovial Fluid Lymphocytes in Gout Patients

Table 3

ROC curves were used to evaluate the diagnostic value of synovial fluid cell counts for normal sUA gout patients.

	AUC (95% CI)	value	Optimal cutoff value	Youden index	Sensitivity	Specificity
WBCs	0.592 (0.492-0.692)	0.064
PBMCs	0.632 (0.543-0.722)	0.008
Monocytes	0.523 (0.423-0.622)	0.651
PMNs	0.609 (0.511-0.706)	0.028
Lymphocytes	0.694 (0.609-0.779)	<0.001	1.362	0.422	81.6%	60.6%
Eosinophils	0.596 (0.493-0.699)	0.052
Neutrophils	0.617 (0.521-0.714)	0.018
sUA	0.643 (0.553-0.733)	0.004	352.5	0.337	65.3%	68.4%
CRP	0.700 (0.619-0.781)	<0.001	36.45	0.392	85.7%	53.5%
ESR	0.516 (0.423-0.610)	0.744