| Microorganism |
MIC50
(μg/ml) |
MIC90
(μg/ml) |
Range
(μg/ml) |
Antimicrobial |
Reference |
| Proteus (indole-positive) |
0.015 |
2 |
≤0.004 － 64 |
Ciprofloxacin (Cipro, Ciproxin, Ciprobay)  |
268 |
| Proteus (indole-positive) |
0.03 |
0.25 |
0.008 － 0.5 |
Sitafloxacin |
130 |
| Proteus (indole-positive) |
0.03 |
0.25 |
0.008 － 0.5 |
Sitafloxacin |
443 |
| Proteus (indole-positive) |
0.03 |
1 |
0.008 － 4 |
Ciprofloxacin (Cipro, Ciproxin, Ciprobay) |
130 |
| Proteus (indole-positive) |
0.03 |
1 |
0.008 － 4 |
Ciprofloxacin (Cipro, Ciproxin, Ciprobay) |
443 |
| Proteus (indole-positive) |
0.06 |
1 |
0.03 － 2 |
Levofloxacin (Levaquin, Quixin) |
130 |
| Proteus (indole-positive) |
0.06 |
1 |
0.03 － 2 |
Levofloxacin (Levaquin, Quixin) |
443 |
| Proteus (indole-positive) |
0.06 |
4 |
0.125 － >128 |
Levofloxacin (Levaquin, Quixin) |
268 |
| Proteus (indole-positive) |
0.12 |
1 |
0.06 － 1 |
DK-507k |
130 |
| Proteus (indole-positive) |
0.12 |
1 |
0.06 － 1 |
DK-507k |
443 |
| Proteus (indole-positive) |
0.12 |
2 |
0.03 － 2 |
Gatifloxacin (Tequin) |
443 |
| Proteus (indole-positive) |
0.12 |
2 |
0.03 － 2 |
Gatifloxacin (Tequin) |
130 |
| Proteus (indole-positive) |
0.12 |
8 |
0.03 － 64 |
Moxifloxacin (BAY 12-8039, Avelox) |
268 |
| Proteus (indole-positive) |
0.12 |
8 |
0.03 － >128 |
Gemifloxacin |
268 |
| Proteus (indole-positive) |
0.25 |
4 |
0.12 － 4 |
Moxifloxacin (BAY 12-8039, Avelox) |
443 |
| Proteus (indole-positive) |
0.25 |
4 |
0.12 － 4 |
Moxifloxacin (BAY 12-8039, Avelox) |
130 |
| Proteus (indole-positive) |
0.25 |
4 |
0.25 － 8 |
Garenoxacin (T-3811, BMS-284756) |
130 |
| Proteus (indole-positive) |
0.25 |
16 |
0.06 － >128 |
Garenoxacin (T-3811, BMS-284756) |
268 |
| Proteus (indole-positive) |
0.5 |
4 |
0.25 － 8 |
Garenoxacin (T-3811, BMS-284756) |
443 |
| Proteus (indole-positive) |
0.5 |
8 |
0.03 － 32 |
DC-159a |
268 |
| Proteus (indole-positive) |
- |
- |
1.6 － 400 |
Cefamandole (Mandol) |
1418 |
| Proteus (indole-positive) |
- |
- |
6.2 － 100 |
Cefoxitin (Mefoxin) |
1418 |
| Proteus (indole-positive) |
- |
- |
12.5 － 85 |
Cefuroxime (Kefurox, Zinacef) |
1418 |