TABLE 2.

Probability of target attainment (PTA) for 3 dosage regimens with intermittent and prolonged infusion (2 h and 4 h) for a range of MICs

MIC (mg/L)	PTA (%)a
	Intermittent infusion, 20 min			Prolonged infusion
				2 h			4 h
	1 g × 3	1 g × 4	1.2 g × 4	1 g × 3	1 g × 4	1.2 g × 4	1 g × 3	1 g × 4	1.2 g × 4
0.125	99.94	100	100	100	100	100	100	100	100
0.25	99.66	100	100	100	100	100	100	100	100
0.5	98.01	99.98	99.98	100	100	100	100	100	100
1	90.39	99.75	99.82	99.97	100	100	100	100	100
2	63.99	96.55	97.14	98.97	100	100	100	100	100
4	17.93	72.38	77.09	80.72	99.92	99.94	99.88	100	100
8	0.46	14.37	22.29	12.9	75.27	80.82	64.98	88.26	97.25
16	0	0.13	0.57	0.05	4.75	11.49	2.2	9.81	25.61

^aValues in boldface indicate PTAs of >90%.