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Table 1 MICs (mg/L) and FIC indexes of the 26 methicillin-resistant Staphylococcus spp.

From: In vitro activity effects of combinations of cephalothin, dicloxacillin, imipenem, vancomycin and amikacin against methicillin-resistant Staphylococcus spp. strains

SPECIES

OX

DX

CEF

IMP

VAN

AK

DX/AKa

FIC

CEF/AKb

FIC

CEF/VANc

FIC

IMP/VANd

FIC

VAN/AKe

FIC

S. aureus

32

1

64

256

1

32

0.5/4

0.63

0.5/1

0.037

64/1

2

256/1

2

0.5/8

0.75

S. aureus

16

128

64

8

1

32

8/4

0.18

8/1

0.16

32/0.5

1

4/0.5

1

0.5/8

0.75

S. aureus

>32

32

64

8

1

512

8/128

0.5

8/64

0.25

64/1

2

4/0.5

1

1/64

1.12

S. aureus

>32

512

256

1

0.5

64

0.125/32

0.5

2/16

0.26

1/0.5

1

0.5/0.25

1

0.125/32

0.5

S. aureus

>32

512

64

512

2

128

2/4

0.03

1/64

0.52

64/2

1

256/1

1

0.125/32

0.31

S. aureus

8

32

32

8

2

128

8/32

0.5

4/64

0.62

32/2

2

8/2

2

2/16

1.12

S. aureus

8

2

0.5

8

1

128

1/64

1

0.125/64

0.75

0.25/0.5

1

4/0.5

1

1/64

1.5

S. aureus

>32

512

2

256

1

512

0.125/4

0.5

0.5/64

0.75

1/0.5

1

128/0.5

1

1/128

2

S. aureus

>32

128

128

8

2

128

0.5/32

0.25

16/64

0.52

1/2

1

4/1

1

0.5/64

0.75

S. aureus

>32

512

512

1

2

512

0.125/128

0.5

32/256

0.56

128/1

1

0.5/1

1

0.5/128

0.5

S. epidermidis

>32

512

4

256

0.5

32

1/8

0.25

0.125/8

0.28

2/0.25

1

128/0.25

1

0.06/0.125

0.12

S. epidermidis

>32

512

256

512

2

512

0.125/512

1

8/128

0.28

0.125/2

1

256/1

1

0.125/256

0.56

S. epidermidis

>32

512

32

512

1

128

0.125/64

0.5

0.25/64

0.5

0.125/1

1

256/0.5

1

0.125/64

0.62

S. epidermidis

>32

512

128

512

1

512

0.5/128

0.25

0.125/256

0.5

0.25/1

1

256/0.5

1

0.125/512

1.12

S. epidermidis

>32

512

256

512

1

128

2/64

0.5

1/64

0.5

128/0.5

1

256/0.5

1

1/16

1.12

S. epidermidis

>32

512

4

512

1

128

1/64

0.5

0.125/64

0.53

2/0.5

1

256/0.5

1

1/16

1.12

S. epidermidis

>32

8

2

512

1

128

4/64

1

0.125/64

0.56

0.125/1

1

256/0.5

1

0.125/64

0.62

S. epidermidis

>32

512

4

512

1

64

0.5/16

0.25

0.25/32

0.56

0.25/1

1

256/0.5

1

0.125/64

1.12

S. haemolyticus

>32

512

256

512

0.5

64

128/32

0.5

8/64

0.53

256/0.5

2

256/0.25

1

0.5/64

1.5

S. haemolyticus

>32

256

512

512

2

128

1/64

0.5

2/64

0.5

256/1

1

256/1

1

2/16

1.12

S. haemolyticus

>32

512

512

512

4

256

2/64

0.25

128/128

0.75

256/2

1

512/4

2

4/16

1.12

S. haemolyticus

>32

512

512

512

2

256

2/256

1

16/128

0.53

512/2

2

512/2

2

2/128

1.5

S. hominis

>32

128

64

256

4

128

2/64

0.5

16/64

0.75

32/2

1

128/2

1

1/64

0.75

S. hominis

>32

256

256

256

4

512

2/256

0.5

16/256

0.56

128/2

1

128/2

1

4/256

1.5

S capitis

>32

64

2

512

2

128

1/32

0.25

0.25/32

0.37

1/1

1

256/1

1

1/32

0.75

S. sciuri

>32

128

128

8

2

64

1/16

0.25

2/32

0.5

128/2

2

8/2

2

2/8

1.12

  1. MIC in combination for a = dicloxacillin plus amikacin, b = cephalothin plus amikacin, c = cephalothin plus vancomycin, d = imipenem plus vancomycin and e = vancomycin plus amikacin.