Table 3.

In vitro susceptibility to antibiotics alone (first row or column) or in combination (other rows/columns) on the infectious agents isolated either from non-nosocomial ascitic fluids after exclusion of coagulase negative staphylococci (upper right half) or from confirmed spontaneous bacterial peritonitis (including coagulase negative staphylococci , lower left half)

n = 84		amoxicillin	amoxicillin-clavulanate	Piperacillin-tazobactam	Third generation cephalosporin	Fluoro-quinolone	Aminoglycosides	Cotrimoxazole	Glycopeptide
n = 57
-		47.6%	63.1%	65.5%	54.8%	57.1%	50.0%	47.6%	50.0%
Amoxicillin	40.4%		-	-	77.4%	78.6%	82.1%	77.4%	69.0%
Amoxicillin-clavulanate	43.9%	-		-	-	81.0%	83.3%	81.0%	78.6%
Piperacillin-tazobactam	47.4%	-	-		-	79.8%	79.8%	78.6%	85.7%
Third generation cephalosporin	33.3%	56.1%	-	-		72.6%	69.0%	69.0%	84.5%
Fluoroquinolone	38.6%	61.4%	61.4%	61.4%	49.1%		-	65.5%	84.5%
Aminoglycosides	47.4%	73.7%	73.7%	68.4%	56.1%	-		66.7%	-
Cotrimoxazole	29.8%	57.9%	57.9%	57.9%	45.6%	49.1%	47.3%		78.6%
Glycopeptide	50.9%	71.9%	71.9%	80.7%	77.2%	84.2%	-	73.3%

Combinations with in vitro coverage above 75% are in grey.

Most frequently found bacteria isolated from ascitic fluid samples (n = 268): coagulase negative staphylococci (n = 73): enterococci (n = 65), Escherichia coli (n = 48), streptococci (n = 32), and KES (Klebsiella, Enterobacter, Serratia) bacteria (n = 29).

Most frequently found bacteria isolated from non-nosocomial ascitic fluid samples (n = 109): coagulase negative staphylococci (n = 24), Escherichia coli (n = 20), streptococci (n = 17), enterococci (n = 16), and KES (Klebsiella, Enterobacter, Serratia) bacteria (n = 10).

Most frequently found bacteria isolated from confirmed SBP (n = 57): Escherichia coli (n = 15), coagulase negative staphylococci (n = 13), enterococci (n = 13), streptococci (n = 7), and KES (Klebsiella, Enterobacter, Serratia) bacteria (n = 5).