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

Table 7 Comparison of the drug resistance of Staphylococcus aureus to commonly used antibacterial agents between nosocomial and non-nosocomial spontaneous bacterial peritonitis n (%)

Antibacterial agents	Non-nosocomial infections (n = 16)	Nosocomial infections (n = 7)	P value (χ2test)
Penicillin	15 (93.8)	6 (85.7)	0.529
Oxacillin	6 (37.5)	6 (85.7)	0.033
Erythromycin	9 (56.3)	5 (71.4)	0.493
Cefazolin	8 (50.0)	5 (71.4)	0.340
Nitrofurantoin	2 (12.5)	0 (0)	0.328
Rifampicin	2 (12.5)	1 (4.3)	0.907
Clindamycin	2 (12.5)	4 (57.1)	0.025
Levofloxacin	4 (25.0)	6 (85.7)	0.007
Ciprofloxacin	5 (31.3)	6 (85.7)	0.016
Gentamicin	2 (12.5)	1 (4.3)	0.907
Moxifloxacin	3 (18.6)	6 (85.7)	0.002
Vancomycin	0 (0)	0 (0)	NS

P < 0.05 was considered statistically significant; NS: Not significant.