| Microorganism | MIC50 (μg/ml)
 | MIC90 (μg/ml)
 | Range (μg/ml)
 | Antimicrobial | Reference | 
            
			        
			            | Proteus vulgaris | 0.015 | 0.03 | ? - ? | Ciprofloxacin (Cipro, Ciproxin, Ciprobay) | 307 | 
                
			        
			            | Proteus vulgaris | 0.025 | 0.05 | 0.0125 - 0.2 | Ciprofloxacin (Cipro, Ciproxin, Ciprobay) | 17 | 
                
			        
			            | Proteus vulgaris | 0.03 | 0.03 | ≤0.015 - 0.03 | Ciprofloxacin (Cipro, Ciproxin, Ciprobay) | 244 | 
                
			        
			            | Proteus vulgaris | 0.03 | 0.06 | 0.015 - 8 | Ciprofloxacin (Cipro, Ciproxin, Ciprobay) | 12 | 
                
			        
			            | Proteus vulgaris | 0.03 | 0.06 | ≤0.03 - 0.12 | Ciprofloxacin (Cipro, Ciproxin, Ciprobay) | 462 | 
                
			        
			            | Proteus vulgaris | 0.03 | 0.125 | ≤0.03 - 0.25 | Ciprofloxacin (Cipro, Ciproxin, Ciprobay) | 248 | 
                
			        
			            | Proteus vulgaris | >0.06 | >16 | ≤0.008 - >16 | Ciprofloxacin (Cipro, Ciproxin, Ciprobay) | 493 | 
                
			        
			            | Proteus vulgaris | - | - | <0.78 - ? | Ciprofloxacin (Cipro, Ciproxin, Ciprobay) | 1602 | 
                
			        
			            | Proteus vulgaris | - | - | 1 - ? | Ciprofloxacin (Cipro, Ciproxin, Ciprobay) | 1183 |