Table 4 Number of resistant strains for single molecules and single bacterial species

Aminoglycosides

Amikacin

Citrobacter farneri (1)

Citrobacter freundii (3)

Enterobacter asburiae (1)

Enterobacter cancerogenus (2)

Enterobacter cloacae (6)

Hafnia alvei (1)

Klebsiella pneumoniae (1)

Leclercia adecarboxylata (2)

Providencia rettgeri (6)

Pseudomonas putida (1)

Serratia marcescens (1)

25 (20.5%)

Gentamicin

Citrobacter freundii (3)

Citrobacter spp. (2)

Enterobacter asburiae (1)

Enterobacter cancerogenus (2)

Enterobacter cloacae (6)

Klebsiella oxytoca (1)

Klebsiella pneumoniae (1)

Leclercia adecarboxylata (2)

Providencia rettgeri (1)

Pseudomonas putida (1)

20 (16.4%)

Tobramicina

Citrobacter freundii (2)

Citrobacter spp. (1)

Enterobacter cancerogenus (3)

Enterobacter cloacae (7)

Klebsiella oxytoca (1)

Klebsiella pnemoniae (1)

Leclercia adecarboxilata (3)

Providencia rettgeri (3)

Serratia marcescens (1)

22 (18%)

Cephalosporins

Cefotaxime

Citrobacter freundii (1)

Enterobacter asburiae (1)

Enterobacter cancerogenus (3)

Enterobacter cloacae (6)

Klebsiella pneumoniae (1)

Providencia rettgeri (3)

Pseudomonas putida (1)

16 (13.1%)

Cefotaxime–clavulanic acid

Citrobacter freundii (2)

Enterobacter asburiae (1)

Enterobacter cancerogenus (2)

Enterobacter cloacae (6)

Klebsiella pneumoniae (1)

Providencia rettgeri (3)

Pseudomonas putida (1)

16 (13.1%)

Ceftazidime

Citrobacter farneri (1)

Citrobacter freundii (2)

Citrobacter spp. (1)

Enterobacter asburiae (1)

Enterobacter cancerogenus (3)

Enterobacter cloacae (8)

Klebsiella pneumoniae (1)

Leclercia adecarboxylata (2)

Providencia rettgeri (4)

Pseudomonas putida (1)

24 (19.7%)

Ceftazidime–clavulanic acid

Citrobacter farneri (1)

Citrobacter freundii (2)

Citrobacter spp. (1)

Enterobacter asburiae (1)

Enterobacter cancerogenus (3)

Enterobacter cloacae (8)

Klebsiella pneumoniae (1)

Providencia rettgeri (7)

Pseudomonas putida (1)

25 (20.5%)

Carbapenems

Imipenem

Citrobacter farneri (1)

Citrobacter freundii (2)

Citrobacter spp. (1)

Enterobacter asburiae (2)

Enterobacter cancerogenus (4)

Enterobacter cloacae (9)

Klebsiella pneumoniae (1)

Leclercia adecarboxylata (2)

Providencia rettgeri (7)

Pseudomonas putida (1)

Serratia marcescens (1)

31 (25.4%)

Meropenem

Enterobacter cancerogenus (2)

Enterobacter cloacae (1)

Leclercia adecarboxylata (2)

Providencia rettgeri (2)

Pseudomonas putida (1)

8 (6.6%)

Fluoroquinolones

Ciprofloxacin

Citrobacter freundii (2)

Citrobacter spp. (2)

Enterobacter cancerogenus (1)

Enterobacter cloacae (6)

Klebsiella pneumoniae (1)

12 (9.8%)

Enrofloxacin

Citrobacter freundii (2)

Citrobacter spp. (2)

Enterobacter cancerogenus (1)

Enterobacter cloacae (1)

Klebsiella oxytoca (1)

Klebsiella pneumoniae (1)

Leclercia adecarboxylata (1)

Providencia rettgeri (2)

Pseudomonas putida (1)

Serratia marcescens (2)

14 (11.5%)

Monobactams

Aztreonam

Citrobacter farneri (1)

Citrobacter freundii (1)

Citrobacter spp. (1)

Enterobacter asburiae (1)

Enterobacter cancerogenus (4)

Enterobacter cloacae (7)

Klebsiella oxytoca (1)

Providencia rettgeri (5)

Pseudomonas putida (1)

Pseudomonas stutzeri (1)

Serratia marcescens (1)

Non-identified (1)

25 (20.5%)

Penicillins

Amoxicillin

Aeromonas punctata (1)

Aeromonas spp. (1)

Citrobacter farneri (2)

Citrobacter freundii (4)

Citrobacter spp. (3)

Enterobacter asburiae (2)

Enterobacter cancerogenus (8)

Enterobacter cloacae (18)

Enterobacter cowanii (1)

Enterobacter spp. (4)

Hafnia alvei (1)

Klebsiella oxytoca (2)

Klebsiella pneumoniae (2)

Leclercia adecarboxylata (6)

Proteus mirabilis (1)

Providencia rettgeri (12)

Pseudomonas putida (1)

Serratia marcescens (5)

Non-identified (5)

79 (64.8%)

Amoxicillin–clavulanic acid

Aeromonas punctata (1)

Aeromonas spp. (1)

Citrobacter farneri (2)

Citrobacter freundii (4)

Citrobacter spp. (3)

Enterobacter asburiae (2)

Enterobacter cancerogenus (8)

Enterobacter cloacae (17)

Enterobacter spp. (4)

Hafnia alvei (1)

Klebsiella pneumoniae (1)

Leclercia adecarboxylata (3)

Providencia rettgeri (12)

Pseudomonas putida (1)

Serratia marcescens (3)

Non-identified (3)

66 (54.1%)

Ampicillin

Aeromonas punctata (1)

Aeromonas spp. (1)

Citrobacter farneri (1)

Citrobacter freundii (4)

Citrobacter spp. (2)

Enterobacter asburiae (1)

Enterobacter cancerogenus (8)

Enterobacter cloacae (18)

Enterobacter cowanii (1)

Enterobacter spp. (4)

Hafnia alvei (1)

Klebsiella oxytoca (2)

Klebsiella pneumoniae (2)

Leclercia adecarboxylata (5)

Proteus mirabilis (1)

Providencia rettgeri (15)

Pseudomonas putida (1)

Pseudomonas stutzeri (1)

Serratia marcescens (4)

Non-identified (4)

77 (63.1%)

Rifamycins

Rifampicin

Aeromonas punctata (1)

Citrobacter farneri (2)

Citrobacter freundii (4)

Citrobacter spp. (5)

Enterobacter asburiae (2)

Enterobacter cancerogenus (7)

Enterobacter cloacae (16)

Enterobacter cowanii (1)

Enterobacter spp. (4)

Hafnia alvei (3)

Klebsiella oxytoca (1)

Klebsiella pneumoniae (2)

Leclercia adecarboxylata (10)

Leclercia spp. (1)

Providencia rettgeri (9)

Pseudomonas putida (1)

Pseudomonas stutzeri (1)

Serratia marcescens (4)

Non-identified (2)

76 (61.5%)

Sulfonamides

Trimethoprim/sulfamethoxazole

Citrobacter freundii (1)

Enterobacter cloacae (2)

Leclercia adecarboxylata (1)

Providencia rettgeri (7)

Pseudomonas stutzeri (1)

Non-identified (3)

15 (12.3%)

Tetracyclines

Tetraciclina

Citrobacter freundii (2)

Citrobacter spp. (1)

Enterobacter asburiae (1)

Enterobacter cancerogenus (3)

Enterobacter cloacae (8)

Klebsiella oxytoca (1)

Leclercia adecarboxylata (3)

Proteus mirabilis (1)

Providencia rettgeri (21)

Pseudomonas putida (1)

Serratia marcescens (4)

Non-identified (2)

48 (39.3%)