| Microorganism | MIC50 (μg/ml)
 | MIC90 (μg/ml)
 | Range (μg/ml)
 | Antimicrobial | Reference | 
            
			        
			            | Proteus vulgaris | 0.06 | 0.06 | 0.03 - 0.06 | Ceftazidime (Ceptaz, Fortaz, Tanicef) | 1491 | 
                
			        
			            | Proteus vulgaris | 0.06 | 0.12 | <=0.03 - 2 | Ceftazidime (Ceptaz, Fortaz, Tanicef) | 1467 | 
                
			        
			            | Proteus vulgaris | 0.06 | 2 | ≤0.06 - 4 | Ceftazidime (Ceptaz, Fortaz, Tanicef) | 462 | 
                
			        
			            | Proteus vulgaris | 0.063 | 0.125 | 0.032 - 8 | Ceftazidime (Ceptaz, Fortaz, Tanicef) | 952 | 
                
			        
			            | Proteus vulgaris | 0.25 | 2 | ? - ? | Ceftazidime (Ceptaz, Fortaz, Tanicef) | 323 | 
                
			        
			            | Proteus vulgaris | - | - | <=1 - 4 | Ceftazidime (Ceptaz, Fortaz, Tanicef) | 1481 |