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

Table 2 Comparisons between asymptomatic spontaneous bacterial peritonitis and control groups

Characteristics	Asymptomatic SBP (n = 98, %)	Control group (n = 98, %)	P value
Age (yr)	54.01 ± 13.60	53.56 ± 13.47	0.817
Gender			0.178
Male	79 (80.61)	71 (72.45)
Female	19 (19.39)	27 (27.55)
Clinical characteristics
Etiology of cirrhosis			0.280
Viral hepatitis	70 (71.43)	61 (62.24)
Alcohol	16 (16.33)	19 (19.39)
Autoimmune	5 (5.10)	12 (12.24)
Others	7 (7.14)	6 (6.12)
Child-Pugh			0.004
A	2 (2.04)	2 (2.04)
B	35 (35.71)	58 (59.18)
C	61 (62.24)	38(38.78)
MELD score	18.20 ± 11.04	9.92 ± 5.88	< 0.001
Complications
Liver failure	28 (28.57)	7 (7.14)	< 0.001
HCC	37 (37.75)	10 (10.20)	< 0.001
HE	21 (21.43)	3 (3.06)	< 0.001
Diabetes	22 (22.45)	13 (13.26)	0.093
Renal dysfunction	39 (39.80)	10 (10.20)	< 0.001
UGB	19 (19.39)	0 (0.00)	< 0.001
Hematological factors
WBC (× 109/L)	7.25 ± 4.66	3.97 ± 1.99	< 0.001
N (100%)	0.71 ± 0.13	0.60 ± 0.13	0.007
PLT (×109/L)	92.08 ± 71.37	82.44 ± 43.27	0.244
WBC/PLT	0.14 ± 0.22	0.057 ± 0.04	0.001
Ascites examinations
Leukocyte (/mm3)	314.41 ± 351.67	254.08 ± 231.51	0.151
Polymorphonuclear (100%)	0.15 ± 0.12	0.086 ± 0.10	< 0.001
PMN (/mm3)	45.83 ± 52.25	21.44 ± 28.71	< 0.001
Clinical outcomes
Non-survivors	33 (33.67)	3 (3.06)	< 0.001

SBP: Spontaneous bacterial peritonitis; 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: Neutrophil percentage; PLT: Platelet; PMN: Polymorphonuclear leukocyte count in ascites.