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Table 1 Resistance rates of E. coli

From: Community acquired multi-drug resistant clinical isolates of Escherichia coli in a tertiary care center of Nepal

Antibiotics

No. of resistant isolates (%)

MDR (n = 156)

XDR (n = 14)

No. of resistant isolates (%)

No. of resistant isolates (%)

Penicillins

   

Ampicillin

148 (74)

130 (83.3)

14 (100.0)

Penicillins with β-lactamase inhibitors

   

Ampicillin-sulbactam

114 (57)

100 (64.1)

14 (100.0)

Narrow spectrum cephalosporins

   

Cefazolin

142 (71)

122 (78.2)

14 (100.0)

Extended spectrum cephalosporins

   

Ceftazidime

104 (52)

84 (53.8)

14 (100.0)

Ceftriaxone

82 (41)

68 (43.6)

14 (100.0)

Cefepime

62 (31)

68 (43.6)

14 (100.0)

Cephamycins

   

Cefoxitin

82 (41)

66 (42.3)

14 (100.0)

Antipseudomonal penicillins with β-lactamase inhibitors

   

Piperacillin-tazobactam

48 (24)

34 (21.8)

14 (100.0)

Ticarcillin-clavulanic acid

114 (57)

100 (64.1)

14 (100.0)

Amoxicillin-clavulanic acid

200 (100)

156 (100.0)

14 (100.0)

Monobactams

   

Aztreonam

72 (36)

58 (37.2)

14 (100.0)

Carbapenems

   

Imipenem

14 (7)

0 (0)

14 (100.0)

Meropenem

74 (37)

60 (38.5)

14 (100.0)

Aminoglycosides

   

Gentamicin

40 (20)

26 (16.7)

14 (100.0)

Amikacin

20 (10)

6 (3.8)

14 (100.0)

Tobramycin

44 (22)

32 (20.5)

12 (85.7)

Fluoroquinolones

   

Ciprofloxacin

154 (77)

142 (91.0)

14 (100.0)

Ofloxacin

94 (47)

78 (25.0)

14 (100.0)

Folate pathway inhibitors

   

Cotrimoxazole

118 (59)

102 (65.4)

14 (100.0)

Phenicols

   

Chloramphenicol

34 (17)

20 (12.8)

12 (85.7%)

Polymyxins

   

Colistin

0 (0)

0 (0)

0 (0)