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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.