Table 2:
Inhibitory zones for various antimicrobials
| Antibiotics $ | Zone of inhibition diameter (mm) | |
|---|---|---|
| LRB | RBM1 | |
| Bacitracin (10 mcg) | 18.0 ± 1.0 | 24.0 ± 1.0 |
| Carbenicillin (5 mg/ml) # | 17.0 ± 1.0 | 17.0 ± 1.0 # |
| Cefixime (5 mcg) | 0.0 | 0.0 |
| Cefoxitin (30 mcg) | 0.0 | 0.0 |
| Ceftazidime (30 mcg) * | 20.0 ± 1.0 | 22.0 ± 1.0 |
| Cefuroxime (30 mcg) | 21.0 ± 1.0 | 22.0 ± 1.0 |
| Cephalothin (30 mcg) * | 23.0 ± 2.0 | 26.0 ± 2.0 |
| Cephazolin (30 mcg) * | 21.0 ± 1.0 | 29.0 ± 1.0 |
| Chlomphenicol (5 mcg) * | 19.0 ± 1.0 | 22.0 ± 2.0 |
| Ciprofloxaxin (5 mcg) * | 18.0 ± 2.0 | 26.0 ± 2.0 |
| Clindamycin (2 mcg) * | 25.0 ± 1.0 | 27.0 ± 1.0 |
| Erythromycin (5mg/ml) * | 40.0 ± 1.0 | 45.0 ± 2.0 |
| Flavomycin (5 mg/ml) * | 12.0 ± 2.0 | 15.0 ± 1.0 |
| Fosfomycin (200 mcg) | 0.0 | 0.0 |
| Imipenem (10 mcg) * | 26.0 ± 2.0 | 30.0 ± 3.0 |
| Meropenem (10 mcg) * | 21.0 ± 2.0 | 24.0 ± 1.0 |
| Mezlocillin (75 mcg) * | 40.0 ± 2.0 | 46.0 ± 2.0 |
| Nalidixic acid (30 mcg) | 0.0 | 0.0 |
| Nisin (40 mg/ml) * | 13.0 ± 1.0 | 18.0 ± 1.0 |
| Oxacillin (10 mcg) | 0.0 | 0.0 |
| Penicillin (10 mcg) * | 25.0 ± 1.0 | 30.0 ± 1.0 |
| Rifampin (5 mcg) * | 31.0 ± 2.0 | 37.0 ± 2.0 |
| Streptomycin (10mg/ml) * | 11.0 ± 1.0 | 21.0 ± 1.0 |
| Tetracycline (10 mg/ml) * | 34.0 ± 1.0 | 40 ± 2.0 |
| Trimethoprime (5 mcg) | 0.0 | 0.0 |
| Tunicamycin (5 mg/ml) | 0.0 | 0.0 |
| Vancomycin (5 mcg) | 0.0 | 0.0 |
$
, per disc (mcg);
*
, significant difference;
#
, a secondary halo