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Table 1 Antibiotic susceptibility pattern of ESBL and non ESBL producing isolates

From: Antibiotic resistance and genotype of beta-lactamase producing Escherichia coli in nosocomial infections in Cotonou, Benin

Antibiotics

Susceptibility rate %

ESBL (n = 29)

Non-ESBL (n = 55)

p-value*

R

S

   

AM

97.6

2.4

29 (100%)

50 (91 %)

0.4

AMC

85.7

14.3

24 (82.7%)

15 (27.3%)

10−4

AMX

95.2

4.8

29 (100%)

49 (89.1%)

0.17

IPM

3.6

96.4

01 (3.4%)

00 (0%)

0.3

CTX

56.5

40.5

28 (96.5%)

01 (1.8%)

<10−9

CRO

44.7

58.3

28 (96.5%)

01 (1.8%)

10−3

CIP

91.7

8.3

29 (100%)

14 (25.5%)

10−10

NOR

53.6

46.4

28 (96.5%)

14 (25.5%)

<10−9

AN

83.3

16.7

21(72.4%)

19 (34.5%)

0.04

G

45.2

54.8

24 (82.7)

12 (21.8)

10−7

SXT

86.9

13.1

29 (100%)

43 (78.2%)

6.10−3

  1. *P value is for the comparison of resistance of ESBL-producers with non-producers.
  2. AM: Ampicilline; AMC: Amoxicilline/clavulanic acid; AMX: Amoxicilline; IPM: Imipenem; CTX: Cefotaxime; CRO: Ceftriaxone; CIP: Ciprofloxacine; NOR: Norfloxacine; AN: Amikacine; G: Gentamicine; SXT: Trimethoprim/Sulfamethoxazole.