TABLE 1.

Parameter estimates of the ceftazidime concentration-effect relationship^a

In vitro pharmacokinetic-pharmacodynamic parameter	Value
	Estimate	95% CI
Growth rate (h−1)	−1.41	−1.65-−1.18
Observed maximum kill rate (h−1)	2.74	2.54-2.94
Corrected maximum kill rate (h−1)	4.15
Hill factor	3.96	2.25-5.57
EC50 (mg/liter)	1.22	1.08-1.39

^aEC₅₀, 50% effective concentration; CI, confidence interval.