| Microorganism |  |  |  | 
  
    | Antimicrobial |  |  | Reference | 
            
			        
			            | Proteus spp. (indole-positive) | 0.06 | 2 | ≤0.008 - 8 | Cefmenoxime  | 1438 | 
                
			        
			            | Proteus spp. (indole-positive) | 0.06 | 8 | ? - ? | Ceftazidime (Ceptaz, Fortaz, Tanicef)  | 204 | 
                
			        
			            | Proteus spp. (indole-positive) | >0.06 | >8 | ? - ? | Ceftobiprole (Zeftera)  | 942 | 
                
			        
			            | Proteus spp. (indole-positive) | 0.12 | 8 | ≤0.008 - 8 | Cefotaxime (Cephotaxime, Claforan)  | 1438 | 
                
			        
			            | Proteus spp. (indole-positive) | 4 | 16 | 1 - >128 | Cefoxitin (Mefoxin)  | 1438 | 
                
			        
			            | Proteus spp. (indole-positive) | >4 | >128 | 0.12 - >128 | Cefamandole (Mandol)  | 1438 | 
                
			        
			            | Proteus spp. (indole-positive) | >128 | >128 | 0.25 - >129 | Cefazolin (Ancef, Kefzol, Zolicef)  | 1438 | 
                
			        
			            | Proteus spp. (indole-positive) | - | - | 0.031 - ? | AM-715  | 1439 | 
                
			        
			            | Proteus spp. (indole-positive) | - | - | 0.25 - >128 | Cefamandole (Mandol)  | 1447 | 
                
			        
			            | Proteus spp. (indole-positive) | - | - | 0.25 - >128 | Cefazaflur  | 1447 | 
                
			        
			            | Proteus spp. (indole-positive) | - | - | 0.25 - >128 | Cefuroxime (Kefurox, Zinacef)  | 1447 | 
                
			        
			            | Proteus spp. (indole-positive) | - | - | 0.5 - >128 | Cefatrizine  | 1447 | 
                
			        
			            | Proteus spp. (indole-positive) | - | - | 0.5 - >128 | Cefazolin (Ancef, Kefzol, Zolicef)  | 1447 | 
                
			        
			            | Proteus spp. (indole-positive) | - | - | 0.5 - 128 | Cefoxitin (Mefoxin)  | 1447 | 
                
			        
			            | Proteus spp. (indole-positive) | - | - | 0.5 - >128 | Cephaloridine (Cefaloridine)  | 1447 | 
                
			        
			            | Proteus spp. (indole-positive) | - | - | 0.5 - >128 | Cephalothin (Cefalotin, Keflin, Seffin)  | 1447 | 
                
			        
			            | Proteus spp. (indole-positive) | - | - | 1.57 - ? | Pipemidic acid  | 1439 | 
                
			        
			            | Proteus spp. (indole-positive) | - | - | 2 - >128 | Cephalexin (Keflex, Keftal, Cefanox)  | 1447 | 
                
			        
			            | Proteus spp. (indole-positive) | - | - | 4.1 - ? | Nalidixic acid (NegGam)  | 1439 |