Table 3.

Pearson correlation relevant analysis and multivariate analysis between the PJI and the parameters at the suspected time

	Pearson correlation		Multivariate analysis
Variable	r	P value	OR	95% CI	P value
White blood cell (WBC × 109)	0.22	0.02*	0.98	0.64–1.50	0.93
Neutrophil count (NE × 109)	0.20	0.04*	1.12	0.81–1.54	0.49
Age (years)	0.17	0.09	1.04	0.93–1.17	0.46
BMI (kg/m2)	0.14	0.15	1.02	0.67–1.55	0.93
ESR (mm/h)	0.15	0.12	1.08	0.89–1.32	0.42
CRP (mg/L)	0.08	0.41	0.98	0.81–1.19	0.81
NLR	0.72	< 0.01*	88.36	3.89–2004.61	0.005*
PLR	0.61	< 0.01*	1.12	1.03–1.23	0.01*
LMR	0.39	< 0.01*	0.41	0.09–1.83	0.24

r Pearson correlation coefficient, OR odds ratio, CI confidence interval, * means statistical difference, BMI body mass index, ESR erythrocyte sedimentation rate, CRP C-reactive protein, NLR neutrophil-to-lymphocyte ratio, PLR platelet-lymphocyte ratio, LMR lymphocyte-monocyte ratio