Prevalence and Antimicrobial Susceptibility of Streptococcus pneumoniae Isolated from Clinical Samples in the Past 8 Years in Korea

Table 4

Antimicrobial susceptibility (%) pattern of Streptococcus pneumoniae isolated from meningitis patients among invasive specimens.

Antimicrobial agents	No. of isolates	Resistant		Intermediate		Susceptible
		% of isolates	MIC breakpoints (μg/mL)	% of isolates	MIC breakpoints (μg/mL)	% of isolates	MIC breakpoints (μg/mL)
Clindamycin	7	57.1	≥1	0	0.5	42.9	≤0.25
Cefotaxime	7	18.6	≥2	27.9	1	53.5	≤0.5
Ceftriaxone	7	28.6	≥2	57.1	1	14.3	≤0.5
Erythromycin	7	57.1	≥1	0	0.5	42.9	≤0.25
Levofloxacin	7	0	≥8	0	4	100	≤2
Penicillin G	7	85.7	≥0.12	0	—	14.3	≤0.06
Cotrimoxazole	7	28.6	≥4/76	0	1/19~2/38	71.4	≤0.5/9.5
Tetracycline	7	57.1	≥4	0	2	42.9	≤1
Vancomycin	7	0	—	0	—	100.0	≤1