| Microorganism |
MIC50
(μg/ml) |
MIC90
(μg/ml) |
Range
(μg/ml) |
Antimicrobial |
Reference |
| Citrobacter freundii |
0.008 |
0.03 |
0.001 － 0.06 |
Difluoroquinolone (PD 117596)  |
248 |
| Citrobacter freundii |
0.008 |
0.06 |
0.004 － 0.125 |
PD 124816 |
248 |
| Citrobacter freundii |
0.008 |
0.06 |
0.008 － 0.06 |
Clinafloxacin (PD 127391) |
248 |
| Citrobacter freundii |
0.008 |
0.25 |
≤0.008 － 4 |
Ertapenem (Invanz) |
493 |
| Citrobacter freundii |
0.015 |
0.06 |
? － ? |
Clinafloxacin (PD 127391) |
307 |
| Citrobacter freundii |
0.015 |
0.12 |
? － ? |
Ciprofloxacin (Cipro, Ciproxin, Ciprobay) |
307 |
| Citrobacter freundii |
0.015 |
0.25 |
≤0.015 － 1 |
AF 3013 |
244 |
| Citrobacter freundii |
0.015 |
2 |
<0.008 － >16 |
Ciprofloxacin (Cipro, Ciproxin, Ciprobay) |
12 |
| Citrobacter freundii |
0.016 |
0.031 |
0.016 － 0.031 |
Meropenem (Merrem) |
115 |
| Citrobacter freundii |
0.016 |
0.125 |
0.008 － 2 |
R-95867 |
600 |
| Citrobacter freundii |
0.025 |
8 |
≤0.25 － 64 |
Levofloxacin (Levaquin, Quixin) |
371 |
| Citrobacter freundii |
≤0.03 |
≤0.03 |
≤0.03 － 0.125 |
Ciprofloxacin (Cipro, Ciproxin, Ciprobay) |
248 |
| Citrobacter freundii |
0.03 |
0.25 |
<0.008 － 4 |
Clinafloxacin (PD 127391) |
12 |
| Citrobacter freundii |
0.03 |
0.25 |
0.015 － 2 |
Cefepime (Maxipime) |
1491 |
| Citrobacter freundii |
0.03 |
0.5 |
<0.008 － 4 |
Sitafloxacin |
12 |
| Citrobacter freundii |
0.03 |
0.5 |
≤0.015 － 2 |
Ciprofloxacin (Cipro, Ciproxin, Ciprobay) |
244 |
| Citrobacter freundii |
0.03 |
1 |
≤0.008 － >16 |
Ciprofloxacin (Cipro, Ciproxin, Ciprobay) |
493 |
| Citrobacter freundii |
0.03 |
1 |
0.015 － 8 |
Cefpirome |
1491 |
| Citrobacter freundii |
0.03 |
1 |
≤0.03 － >4 |
Gatifloxacin (Tequin) |
412 |
| Citrobacter freundii |
0.03 |
2 |
0.004 － 64 |
Ciprofloxacin (Planktonic) |
1467 |
| Citrobacter freundii |
0.031 |
0.063 |
0.016 － 0.25 |
Meropenem (Merrem) |
109 |
| Citrobacter freundii |
0.032 |
0.032 |
0.016 － 0.063 |
Meropenem (Merrem) |
952 |
| Citrobacter freundii |
0.032 |
0.063 |
0.016 － 1 |
Cefpirome |
952 |
| Citrobacter freundii |
0.032 |
0.063 |
0.032 － 0.125 |
S-4661 |
952 |
| Citrobacter freundii |
0.05 |
0.2 |
≤0.00625 － 1.56 |
Ciprofloxacin (Cipro, Ciproxin, Ciprobay) |
17 |
| Citrobacter freundii |
0.05 |
0.2 |
≤0.00625 － 1.56 |
Levofloxacin (Levaquin, Quixin) |
17 |
| Citrobacter freundii |
0.06 |
0.12 |
0.06 － 0.25 |
Ciprofloxacin (Cipro, Ciproxin, Ciprobay) |
374 |
| Citrobacter freundii |
0.06 |
0.25 |
≤0.06 － 4 |
Meropenem (Merrem) |
1371 |