| Oxacillina N (%) | TMP-SMXb N (%) | Erythromycin N (%) | Clindamycin N (%) | Norfloxacinc N (%) | Tetracycline N (%) |
---|---|---|---|---|---|---|
Difference in disc diffusion test (mm) | ||||||
  ≤ 3 | 23 (73) | 29 (91) | 22 (69) | 23 (73) | 25 (79) | 14 (44) |
 4–6 | 5 (15) | 1 (3) | 3 (11) | 3 (11) | 5 (15) | 10 (31) |
 > 6 | 4 (12) | 2 (6) | 7 (32) | 6 (18) | 2 (6) | 8 (25) |
Difference in SIRd interpretatione | 0 | 0 | 0 | 0 | 0 | 0 |