| Microorganism | MIC50 (μg/ml)
 | MIC90 (μg/ml)
 | Range (μg/ml)
 | Antimicrobial | Reference | 
            
			        
			            | Proteus mirabilis | 0.03 | 8 | 0.015 - 32 | Levofloxacin (Levaquin, Quixin) | 1467 | 
                
			        
			            | Proteus mirabilis | 0.05 | 0.2 | 0.025 - 3.13 | Levofloxacin (Levaquin, Quixin) | 17 | 
                
			        
			            | Proteus mirabilis | 0.06 | 0.12 | 0.015 - 0.25 | Levofloxacin (Levaquin, Quixin) | 3 | 
                
			        
			            | Proteus mirabilis | 0.06 | 0.12 | 0.06 - 0.25 | Levofloxacin (Levaquin, Quixin) | 244 | 
                
			        
			            | Proteus mirabilis | 0.06 | 1 | 0.03 - 4 | Levofloxacin (Levaquin, Quixin) | 443 | 
                
			        
			            | Proteus mirabilis | 0.06 | 1 | 0.03 - 4 | Levofloxacin (Levaquin, Quixin) | 130 | 
                
			        
			            | Proteus mirabilis | 0.06 | 4 | 0.03 - >16 | Levofloxacin (Levaquin, Quixin) | 12 | 
                
			        
			            | Proteus mirabilis | 0.06 | 4 | 0.03 - >128 | Levofloxacin (Levaquin, Quixin) | 268 | 
                
			        
			            | Proteus mirabilis | 0.06 | 4 | ≤0.06 - >8 | Levofloxacin (Levaquin, Quixin) | 479 | 
                
			        
			            | Proteus mirabilis | 0.1 | 0.39 | 0.05 - >12.5 | Levofloxacin (Levaquin, Quixin) | 40 | 
                
			        
			            | Proteus mirabilis | 0.125 | 2 | 0.03 - 4 | Levofloxacin (Levaquin, Quixin) | 225 | 
                
			        
			            | Proteus mirabilis | - | 16 | ? - ? | Levofloxacin (Levaquin, Quixin) | 1358 | 
                
			        
			            | Proteus mirabilis | - | - | 39.06 - ? | Levofloxacin (Levaquin, Quixin) | 1004 | 
                
			        
			            | Proteus mirabilis | - | - | 94 - ? | Levofloxacin (Levaquin, Quixin) | 1132 | 
                
			        
			            | Proteus mirabilis | - | - | 12220 - ? | Levofloxacin (Levaquin, Quixin) | 1136 |