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Table 1 Antibiotic resistance profiles of 538 MSSA and 36 MRSA isolates from patients presenting at the Pasteur Institute of Madagascar, as determined by disk diffusion.

From: In vitro activities of 18 antimicrobial agents against Staphylococcus aureus isolates from the Institut Pasteur of Madagascar

 

MSSA

MRSA

 
 

Number of isolates that were

Number of isolates that were

P

 

S

I or R

Resistance rate (%)

S

I or R

Resistance rate (%)

 

Penicillin

66

472

87.7

0

36

100

0.11

Erythromycin

469

69

12.8

24

12

33.3

<0.01

Lincomycin

509

29

5.4

29

7

19.4

<0.01

Pristinamycin

538

0

0.0

34

2

2.0

-

Kanamycin

505

33

6.13

26

10

27.8

<0.01

Tobramycin

521

17

3.2

27

9

25.0

<0.01

Gentamicin

532

6

1.12

32

4

11.1

<0.01

Ciprofloxacin

509

29

5.4

31

5

13.9

0.03

Tetracyclin

244

294

54.6

9

27

75.0

0.01

Minocyclin

466

72

13.4

26

10

27.8

0.01

Trimethoprim-sulfamethoxazole

458

80

14.9

22

14

38.9

<0.01

Rifampicin

517

21

3.9

31

5

13.9

0.01

Fusidic acid

493

45

8.4

29

7

19.4

0.02

Chloramphenicol

487

51

9.5

28

8

22.2

0.01

Fosfomycin

530

8

1.5

35

1

2.8

NS

Vancomycin

538

0

0.0

36

0

0.0

-

Teicoplanin

538

0

0.0

36

0

0.0

-