TABLE 2.

Summary of MICs^b for penicillin-intermediate and -resistant isolates

Antibiotic	MICs (μg/ml)
	Penicillin-intermediate strains (n = 80)			Penicillin-resistant strains (n = 253)
	50%	90%	Range	50%	90%	Range
Cethromycin	0.125	0.125	0.125-2	0.125	0.125	0.125-1
Azithromycin	4	128	0.125-128	16	128	0.125-128
Erythromycin	2	128	0.125-128	4	128	0.125-128
Telithromycin	0.125	0.125	0.125-2	0.125	0.125	0.125-1
Amoxicillin	0.5	1	0.125-4	1	4	0.125-8
Ceftriaxone	0.25	0.5	0.125-2	0.25	2	0.125-4
Cefprozil	4	16	0.125-128	8	32	0.125-128
Cefdinir	8	16	0.125-64	8	32	0.125-128
Levofloxacin	0.5	1	0.25-4	0.5	1	0.25-2
TMP/SMZa	32	32	0.06-32	32	32	0.5-32

^aTMP/SMZ, trimethoprim-sulfamethoxazole (ratio 1:20); results for the trimethoprim component are reported.

^b50%, MIC₅₀; 90%, MIC₉₀.