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

Table 5

Antimicrobial susceptibility (%) pattern of Streptococcus pneumoniae isolated from nonmeningitis 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	36	66.7	≥1	0	0.5	33.3	≤0.25
Cefotaxime	36	2.8	≥4	16.7	2	80.5	≤1
Ceftriaxone	36	8.3	≥4	8.3	2	83.3	≤1
Erythromycin	36	69.4	≥1	0	0.5	30.6	≤0.25
Levofloxacin	36	5.6	≥8	2.8	4	91.7	≤2
Penicillin G	36	2.8	≥8	11.1	4	86.1	≤2
Cotrimoxazole	36	30.6	≥4/76	8.3	1/19~2/38	61.1	≤0.5/9.5
Tetracycline	36	75.0	≥4	0	2	25.0	≤1
Vancomycin	36	0	—	0	—	100.0	≤1