Pathogen profile and drug resistance analysis of spontaneous peritonitis in cirrhotic patients

Table 3 Comparison of the drug resistance of Escherichia coli to commonly used antibacterial agents between nosocomial and non-nosocomial spontaneous bacterial peritonitis n (%)

Antibacterial agents	Non-nosocomial infections (n = 50)	Nosocomial infections (n = 24)	P value (χ2test)
ESBL test	19 (38.0)	15 (62.5)	0.013
Ampicillin/sulbactam	11 (28.0)	12 (66.7)	0.093
Piperacillin/tazobactam	2 (4.0)	5 (20.8)	0.021
Ceftriaxone	7 (14.0)	11 (45.8)	< 0.001
Cefepime	17 (34.0)	14 (58.3)	0.04
Cefoperazone/sulbactam	4 (8.0)	8 (33.3)	0.006
Ceftazidime	16 (32.0)	17 (70.8)	0.002
Amikacin	2 (4.0)	3 (12.5)	0.173
Gentamicin	17 (34.0)	20 (83.3)	< 0.001
Ciprofloxacin	18 (36.0)	19 (79.1)	0.001
Aztreonam	11 (22.0)	15 (62.5)	0.001
Imipenem	1 (2.0)	0 (0)	0.485
Meropenem	0 (0)	2 (8.3)	0.039

ESBL test: Extended-spectrum β-lactamase test. P < 0.05 was considered statistically significant.