Table 3: Susceptibility patterns obtained on 97 Gram positives (Staphylococcus aureus: n = 41, coagulase-negative staphylococci: n = 56) by QMAC-dRASTTM examination. Only test results comparable with the laboratory routine testing are included.

Antimicrobial Agent Staphylococcus aureus* Coagulase Negative Staphylococci
- Sensitive Intermediate Resistant Sensitive Intermediate Resistant
- - - - - - -
Penicillin 9 0 32 ND ND ND
Ampicillin ND ND ND ND ND ND
Oxacillin 41 0 0 26 0 31
Erythromycin 39 0 2 29 3 25
Clindamycin 40 0 1 44 3 10
Gentamicin 41 0 0 41 0 16
Rifampicin 40 0 1 52 3 2
Vancomycin 41 0 0 54 0 3
Linezolid 40 0 1 55 0 2
Fusidic acid 39 0 2 23 0 34
Cefoxitin screen 40 0 1 ND ND ND

ND: Not done; *One Staphylococcus lugdunensis included.