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

Table 1 Demographic characteristics of the study population

Parameters	Patients (n = 343, %)
Age (yr)	54.60 ± 12.79
Gender
Male	259 (75.51)
Female	84 (24.49)
Clinical characteristics
Etiology of cirrhosis
Viral hepatitis	220 (64.14)
Alcohol	65 (18.95)
Autoimmune	27 (7.87)
Others	31 (9.04)
Child-Pugh
A	19 (5.54)
B	175 (51.02)
C	149 (43.44)
MELD score	12.04 ± 8.87
Complications
Liver failure	51 (14.87)
HCC	64 (18.66)
HE	29 (8.45)
Diabetes	68 (19.82)
Renal dysfunction	68 (19.82)
UGB	22 (6.41)
Hematological factors
WBC (× 109/L)	5.19 ± 3.62
N (100%)	0.64 ± 0.12
PLT (× 109/L)	89.93 ± 60.52
WBC/PLT	0.082 ± 0.013
Ascites examinations
Leukocyte (mm3)	258.92 ± 247.46
Polymorphonuclear (100%)	0.10 ± 0.098
PMN (mm3)	28.22 ± 39.46
Microbiological examinations
Positive	111 (32.36)
Gram-negative	21 (18.92)
Gram-positive	80 (72.07)
Mixture	10 (9.01)
Negative	232 (67.64)
Clinical outcomes
Non-survivors	37 (10.79)
Improved	297 (86.59)
Invalid	9 (2.62)

CHILD: Child-Pugh; MELD: Model for end-stage liver disease; HCC: Hepatocellular carcinoma; HE: Hepatic encephalopathy; UGB: Upper gastrointestinal bleeding; WBC: White blood cell count; N: Blood neutrophil percentage; PLT: Platelet; PMN: Polymorphonuclear leukocyte count in ascites.