Table 8.

The diagnostic performance of different serum parameters for PJI (Hip Joint Subgroup)

Biomarker	AUC (95%CI)	Youden index	Optimal cutoff value	Sensitivity (%)	Specificity (%)
CRP (mg/L)	0.826(0.732–0.898)	0.6031	9.11	80.65	79.66
ESR (mm/h)	0.842(0.750–0.911)	0.5216	37.00	74.19	77.97
PC/CRP	0.804(0.707–0.880)	0.5522	37.8	80.65	74.58
PC/AGR	0.791(0.693–0.870)	0.5385	182.19	74.19	79.66
PLR	0.741(0.637–0.827)	0.4604	181.51	61.29	84.75
PC (× 10⁹/L)	0.726(0.621–0.814)	0.3778	208.00	90.32	47.46
PVR	0.684(0.578–0.778)	0.3029	24.52	70.97	59.32
PNR	0.504(0.396–0.611)	0.0574	88.78	87.10	18.64
MPV	0.527(0.419–0.633)	0.1099	10.70	83.87	27.12