TABLE 4.

Percent target attainment (T>MIC 40%)

Organism(s)Imipenem, 500 mg q6h (1-h infusion)Meropenem, 500 mg q8h (3-h infusion)Meropenem, 1 g q8h (3-h infusion)
S. aureus98.598.498.8
Klebsiella spp.99.099.599.6
Enterobacter spp.98.099.599.8
Serratia spp.97.599.499.6
Acinetobacter spp.76.077.183.0
P. aeruginosa73.079.386.4