| Microorganism |  |  |  | 
  
    | Antimicrobial |  |  | Reference | 
            
			        
			            | Providencia rettgeri (GN4430 + cephalosporin-resistant) | - | - | ≤0.025 - ? | Cefdinir (Omnicef, Cefdiel)  | 40 | 
                
			        
			            | Providencia rettgeri (GN4430 + cephalosporin-resistant) | - | - | 0.1 - ? | LJC 11036  | 40 | 
                
			        
			            | Providencia rettgeri (GN4430 + cephalosporin-resistant) | - | - | 0.2 - ? | Levofloxacin (Levaquin, Quixin)  | 40 | 
                
			        
			            | Providencia rettgeri (GN4430 + cephalosporin-resistant) | - | - | 0.39 - ? | Imipenem  | 40 | 
                
			        
			            | Providencia rettgeri (GN4430 + cephalosporin-resistant) | - | - | 0.78 - ? | Faropenem  | 40 |