| Microorganism | MIC50 (μg/ml)
 | MIC90 (μg/ml)
 | Range (μg/ml)
 | Antimicrobial | Reference | 
            
			        
			            | Haemophilus influenzae | 0.006 | 0.013 | ≤0.006 - 0.025 | Levofloxacin (Levaquin, Quixin) | 40 | 
                
			        
			            | Haemophilus influenzae | 0.0125 | 0.0125 | 0.00625 - 0.1 | Levofloxacin (Levaquin, Quixin) | 17 | 
                
			        
			            | Haemophilus influenzae | 0.015 | 0.015 | <0.008 - 0.06 | Levofloxacin (Levaquin, Quixin) | 12 | 
                
			        
			            | Haemophilus influenzae | 0.015 | 0.03 | ≤0.008 - 0.06 | Levofloxacin (Levaquin, Quixin) | 42 | 
                
			        
			            | Haemophilus influenzae | 0.015 | 0.03 | 0.015 - 0.06 | Levofloxacin (Levaquin, Quixin) | 1279 | 
                
			        
			            | Haemophilus influenzae | 0.016 | 0.016 | 0.008 - 0.016 | Levofloxacin (Levaquin, Quixin) | 120 | 
                
			        
			            | Haemophilus influenzae | 0.016 | 0.031 | 0.008 - 0.125 | Levofloxacin (Levaquin, Quixin) | 109 | 
                
			        
			            | Haemophilus influenzae | ≤0.03 | ≤0.03 | ≤0.03 - 4 | Levofloxacin (Levaquin, Quixin) | 499 | 
                
			        
			            | Haemophilus influenzae | 0.06 | 0.06 | 0.06 - ? | Levofloxacin (Levaquin, Quixin) | 244 | 
                
			        
			            | Haemophilus influenzae | >=0.063 | ≥0.063 | ≥0.063 - ? | Levofloxacin (Levaquin, Quixin) | 56 | 
                
			        
			            | Haemophilus influenzae | ≤0.25 | ≤0.25 | ≤0.25 - 2 | Levofloxacin (Levaquin, Quixin) | 371 | 
                
			        
			            | Haemophilus influenzae | 0.25 | 2 | 0.006 - 2 | Levofloxacin (Levaquin, Quixin) | 1544 | 
                
			        
			            | Haemophilus influenzae | <0.5 | <0.5 | <0.5 - 1 | Levofloxacin (Levaquin, Quixin) | 85 | 
                
			        
			            | Haemophilus influenzae | ≤0.5 | ≤0.5 | ≤0.5 - 2 | Levofloxacin (Levaquin, Quixin) | 412 | 
                
			        
			            | Haemophilus influenzae | - | 0.016 | ? - ? | Levofloxacin (Levaquin, Quixin) | 1044 | 
                
			        
			            | Haemophilus influenzae | - | 0.03 | ? - ? | Levofloxacin (Levaquin, Quixin) | 341 | 
                
			        
			            | Haemophilus influenzae | ≤- | ≤0.06 | ? - ? | Levofloxacin (Levaquin, Quixin) | 602 |