Table 1.

Distribution of the major pathogens in the ascites samples of 288 patients with spontaneous bacterial peritonitis between 2011 and 2013 n (%)

Pathogen	Total (n = 306)	Non-nosocomial infection (n = 207)	Nosocomial infection(n = 99)	P value(χ2 test)
Gram-negative bacteria	178 (58.2)	113 (54.6)	65 (65.7)	0.06
Escherichia coli	74 (24.2)	50 (24.1)	24 (24.2)	0.98
Klebsiella pneumoniae	58 (18.9)	39 (18.8)	19 (19.1)	0.94
Acinetobacter spp.	10 (3.3)	2 (0.9)	8 (8.1)	0.001
Pseudomonas aeruginosa	9 (2.9)	2 (0.9)	7 (7.1)	0.003
Enterobacter cloacae	17 (5.6)	12 (5.8)	5 (5.1)	0.79
Aerogenes spp.	10 (3.3)	8 (3.9)	2 (2.0)	0.39
Gram-positive bacteria	85 (27.8)	58 (28.0)	27 (27.3)	0.89
Enterococcus	34 (11.1)	22 (10.6)	12 (12.1)	0.69
Staphylococcus aureus	23 (7.5)	16 (7.7)	7 (7.1)	0.83
Coagulase-negative staphylococci	17 (5.6)	12 (5.8)	5 (5.1)	0.79
Streptococcus pneumoniae	11 (3.6)	8 (3.9)	3 (3.0)	0.71
Fungi	9 (2.9)	2 (0.9)	7 (7.1)	0.004

P < 0.05 was considered statistically significant.