Table 6. MIC₉₀ Analysis.

species	MIC (μg/mL)	20f	24l	tigecycline	tetracycline
S. aureus (n = 31)	MIC50	≤0.016	0.125	0.063	0.125
	MIC90	16	2	1	>64
	MIC range	≤0.016−32	0.063−4	≤0.016−1	0.063→64
S. pneumoniae (n = 19)	MIC50	2	≤0.016	≤0.016	32
	MIC90	4	0.063	≤0.016	>32
	MIC range	≤0.016−8	≤0.016−0.063	≤0.016-≤0.016	0.125→32
H. influenzae (n = 11)	MIC50	0.5	1	0.5	4
	MIC90	2	1	0.5	16
	MIC range	0.063−4	0.25−2	0.25−1	0.25−16
E. coli (n = 20)	MIC50	0.25	1	0.25	2
	MIC90	>32	4	0.5	>64
	MIC range	≤0.016−32	0.5−8	0.125−2	0.25→64