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Table 3 MIC50 and MIC90 values of penicillin, streptomycin, vancomycin, amikacin, gentamicin, and tetracycline for Gram-positive bacilli and cocci

From: Bacterial contamination of human skin allografts and antimicrobial resistance: a skin bank problem

Isolates

μg/mL

PEN

EST

VAN

AMI

GEN

TET

Gram-positive bacilli (n = 118)

MIC50

1

2

2

0.5

0.5

0.5

MIC90

> 32

32

8

1

2

8

Gram-positive cocci (n = 103)

MIC50

8

4

2

2

0.5

1

MIC90

> 32

8

4

4

2

2

Gram-positive bacilli and cocci (n = 221)

MIC50

8

4

2

0.5

0.5

1

MIC90

> 32

16

8

2

2

4

  1. AMI, amikacin; EST, streptomycin; GEN, gentamicin; MIC50, MIC value at which ≥50% of the isolates were inhibited; MIC90, MIC value at which ≥90% of the isolates were inhibited PEN, penicillin; TET, tetracycline; VAN, vancomycin
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BMC Microbiology

ISSN: 1471-2180

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