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Table 2 Results of S. pneumoniae serotype distribution and vancomycin MIC by Etest strip and broth microdilution method, containing vancomycin gradients of 0.016–256 μg/ml and 0.5–128 μg/well respectively

From: Determination of vancomycin minimum inhibitory concentration for ceftazidime resistant Streptococcus pneumoniaein Iran

Site of infection Internal code number Serotype or serogroup Minimum inhibitory concentration ranges Maximum zone of inhibition
MIC ≥0.1 ≤ 1 μg/ml MIC ≥1 ≤ 2 μg/ml MIC ≥2 ≤ 6 μg/ml MIC ≥6 ≤ 10 μg/ml
Wounds 104 6 0.38 μ g/ml     2.3 mm
105 5 0.38 μg/ml     2.1 mm
381 10 1 μg/ml     1.8 mm
Lung 201; 102; 13; 120 6 0.38 μg/ml     2.9 mm
0.50 μg/ml     1.8 mm
0.75 μg/ml     2.2 mm
1 μg/ml     1.7 mm
106; 125;777 1 0.25 μg/ml     2.3 mm
0.38 μg/ml     2 mm
0.75 μg/ml     2 mm
501 4 0.125 μg/ml     1 mm
124; 130; 83 2 0.19 μg/ml     2.1 mm
0.75 μg/ml     1.5 mm
1 μg/ml     2 mm
6; 117 7 0.5 μg/ml     2 mm
0.75 μg/ml     1.8 mm
34; 107; 48;28 8 1 μg/ml     2.2 mm
  1.5 μg/ml    3 mm
1 μg/ml     2 mm
1 μg/ml     2.4 mm
202 G 1 μg/ml     2 mm
Blood 133 1 0.38 μg/ml     2.1 mm
39 2 1 μg/ml     2 mm
116 4 0.5 μg/ml     2.3 mm
131; 121 6 0.25 μg/ml     2.5 mm
0.38 μg/ml     2.5 mm
89 G 0.50 μg/ml     2 mm
126; 40 17     8 μg/ml 1 mm
  1.5 μg/ml    1 mm
35 18 0.75 μg/ml     2.2 mm
Eye 101 2 0.38 μg/ml     2.5 mm
5; 996; 208; 129 6 0.38 μg/ml     2.5 mm
1 μg/ml     1 mm
1 μg/ml     2 mm
1 μg/ml     1/5 mm
502; 50; 53; 7 19 0.38 μg/ml     2.1 mm
0.5 μg/ml     2 mm
0.5 μg/ml     2.5 mm
1 μg/ml     2.5 mm
14 14 0.5 μg/ml     1.7 mm
CSF 51 8 1 μg/ml     3 mm
109; 111 20   1.5 μg/ml    2 mm
   6 μg/ml   1 mm
Throat 128 7 1 μg/ml     2 mm
123 20    4 μg/ml   1 mm
103 4 0.38 μg/ml     2.4 mm
108 14    5 μg/ml   1 mm
Nostrils 778; 49 7 0.5 μg/ml     1.5 mm
0.5 μg/ml     2.5 mm
Sinus 115 20 1 μg/ml     1.7 mm