Bacterobilia in pancreatic surgery-conclusions for perioperative antibiotic prophylaxis

Table 5 Antimicrobial efficacy of ampicillin-sulbactam and piperacillin-tazobactam in direct comparison with 342 bacteria

		Sensitivity (%)		Signifi-cance	Resistance (%)		Significance
		AS	PT	P	AS	PT	P value
TOP5(n = 256)	Enterococci (n = 97)	71	70	NS	27	29	NS
	Streptococci (n = 58)	60g	88	< 0.01	0	0	NS
	Klebsiella (n = 43)	86	98	NS	14h	0	0.03
	Escherichia (n = 36)	81g	100	< 0.01	19i	0	0.02
	Enterobacter (n = 22)	5g	91	< 0.01	95g	0	< 0.01
Varia(n = 86)	Other genera	40g	80	< 0.01	34g	12	< 0.01

^gP < 0.01 vs PT,

^hP = 0.03 vs PT,

ⁱP = 0.02 vs PT. AS: Ampicillin-sulbactam; PT: Piperacillin-tazobactam; NS: No significance.