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. 2012 Oct 9;12:228. doi: 10.1186/1471-2180-12-228

Table 2.

Detection of erythromycin-resistance genes for 135 erythromycin-resistant pneumococcal isolates

Macrolide-resistance genes
No. (%) Age group
MICs (μg/mL) distribution (No.)
MIC range (μg/mL)
ermB mef 0 to 2 years 2 to 5 years 3 12 >256
+
+
41 (30.4%)
18 (13.3%)
23 (17.1%)
1
1
39
3- > 256
+ - 94 (69.6%) 36 (26.7%) 58 (42.9%)     94 >256