Multivariate predictive model for asymptomatic spontaneous bacterial peritonitis in patients with liver cirrhosis

Table 4 Multiple linear stepwise regression analysis of the candidate indicators for asymptomatic spontaneous bacterial peritonitis

Parameters	Unstandardized Coefficients		Standardized Coefficients	t	P value
	B	Std. Error	Beta
Constant	0.018	0.055		0.331	0.741
MELD	0.312	0.064	0.299	4.901	0.000
PMN	0.263	0.059	0.252	4.474	0.000
N	0.184	0.062	0.183	2.963	0.003
HCC	0.233	0.067	0.199	3.480	0.001
Renal dysfunction	0.189	0.071	0.164	2.671	0.008

SBP: Spontaneous bacterial peritonitis; MELD: Model for end-stage liver disease; HCC: Hepatocellular carcinoma; N: Blood neutrophil percentage; PMN: Polymorphonuclear leukocyte count in ascites.