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Table 2 Frequency and resistance pattern of most frequently occurring UTI pathogens against 17 selected antimicrobial agents tested and % ESBL production.

From: Etiology and antibiotic resistance patterns of community-acquired urinary tract infections in J N M C Hospital Aligarh, India

Frequency and Distribution of Uropathogens

Percentage (%) of resistance to antimicrobial agent

Microorganisms identified

No. of isolates & percent (%) occurence

Cn

Ca

Ce

Ci

Cep

Cpm

G

Tb

Ak

Pc

I

Ao

Cf

Nx*

T

Co

Nf

ESBL producers (%)

  

Cep2

Cep3

   

Cep4

Amn

  

P

C

M

Q

F

 

Others

  

E. coli

61

69

65

56

55

85

67

64

73

51

84

0

75

69

69

76

76

80

34.42

K. pneumoniae

22

53

53

41

47

65

53

53

53

35

82

12

59

47

47

53

53

76

27.3

S. aureus

07

40

40

0

0

60

20

20

20

20

40

0

60

40

40

40

40

20

-

P. aeruginosa

04

67

67

67

67

100

67

67

67

33

67

0

67

33

33

100

100

100

-

A. baumanni i

03

67

67

33

33

67

33

33

33

0

67

0

67

0

0

33

33

33

-

p-values

 

0.551

0.054

0.021

0.0002

0.017

0.319

0.212

0.318

0.076

0.047

 
  1. Significant at p-value of < 0.05
  2. * p value = 0.000
  3. Ak = amikacin; Ao = aztreonem; C = chloramphenicol; Co = cotrimoxazole; Cpm = cefepime; Cep = cefpodoxime; Ca = ceftazidime; Ce = cephotaxime; Ci = ceftriaxone; Cn = cephoxitin; Cf = ciprofloxacin; G = gentamicin; Tb = tobramycin; I = imipenem; Pc = piperacillinl; T = tetracycline; Nf = nitrofurantoin; Nx = norfloxacin. Cep2 = Second generation cephalosporins, Cep3 = Third generation,Cep4 = Fourth generation cephalosporins, Amn = Aminoglycosides, Mon = Monobactam, P = piperacillin, Q = Quinolones, F = Fluoroquinolones, C = Carbapenems, Others = T, Co and Nf.