| Microorganism | MIC50 (μg/ml)
 | MIC90 (μg/ml)
 | Range (μg/ml)
 | Antimicrobial | Reference | 
            
			        
			            | Providencia stuartii | >0.06 | >16 | ≤0.008 - >16 | Ciprofloxacin (Cipro, Ciproxin, Ciprobay) | 493 | 
                
			        
			            | Providencia stuartii | >1 | >4 | 0.03 - >4 | Ciprofloxacin (Cipro, Ciproxin, Ciprobay) | 244 | 
                
			        
			            | Providencia stuartii | >1 | >16 | ? - ? | Ciprofloxacin (Cipro, Ciproxin, Ciprobay) | 307 | 
                
			        
			            | Providencia stuartii | >4 | >4 | 0.12 - >4 | Ciprofloxacin (Cipro, Ciproxin, Ciprobay) | 462 | 
                
			        
			            | Providencia stuartii | 4 | 16 | 0.06 - >16 | Ciprofloxacin (Cipro, Ciproxin, Ciprobay) | 12 |