BMC Clinical Pharmacology

Table 7 Stability of Meropenem and Piperacillin/Tazobactam in water for injection at 37°C

From: Comparative in vitrostudy of the antimicrobial activities of different commercial antibiotic products for intravenous administration

Time	Meropenem			Piperacillin/Tazobactam
	Slope	Intercept	R²	Slope	Intercept	R²
0 hours	4.1977	16.556	0.9922	2.7549	9.2827	0.9969
6 hours	ND	ND	ND	2.717	14.247	0.9946
12 hours	ND	ND	ND	2.7162	16.39	0.9986
24 hours	4.4628	15.921	0.9976	2.6777	9.4456	0.9896
48 hours	4.1291	13.257	0.9847	3.2429	7.1086	0.9806
6 days	4.1659	5.671	0.9998	2.5459	7.0209	0.9603

ND: Not determined

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