Infection recurrence following minimally invasive treatment in patients with infectious pancreatic necrosis

Table 4 Bivariate and multivariate correlation analysis to identify factors associated with infection recurrence after drainage catheter removal

Variable	Pearson's correlation coefficient	B	Wald	P value
WBC	0.328	0.661	8.622	0.003
CRP	0.265	0.205	7.74	0.005
IL-6	0.192	0.075	2.247	0.134
Procalcitonin	0.327	24.779	4.533	0.033
Duration of drainage	0.159	0.011	0.712	0.399
Catheter length	0.277	0.589	6.032	0.014

WBC: White blood cell; CRP: C-reactive protein; IL-6: Interleukin-6.