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Table 3 Antibiotic resistant H. influenzae isolates.

From: Prevalence and antimicrobial resistance pattern of bacterial meningitis in Egypt

H. influenzae

PEN

AMP

CHL

CRO

TET

SXT

-Number of isolates tested

-Source

ES 1991-1993

[8]

NA

I = 0%

I = 0%

NA

NA

I = 0%

-6

  

R = 0%

R = 0%

  

R = 0%

-Blood

ES 1997-2000

[1]

NA

I = 16%

I = 24%

I = 0%

NA

NA

-75

  

R = 30%

R = 60%

R = 6%

  

-CSF

ES 1998-2000

[4]

I = 0%

I = 16%

I = 20%

I = 0%

I = 5%

I = 5%

-47

 

R = 45%

R = 63%

R = 67%

R = 0%

R = 81%

R = 45%

-CSF

ES 1998-2004

[2]

NA

R = 45%

R = 37%

NA

NA

R = 40%

-119

       

-CSF

  1. The percentage of non-susceptible H. influenzae isolates to seven conventional antibiotics to H. influenzae isolated from CSF and/or blood in three studies conducted from1991-2004.
  2. The antibiotic abbreviations: PEN, penicillin; AMP, ampicillin; CHL, chloramphenicol; CRO, ceftriaxone; TET, tetracycline; SXT, trimethoprim/sulfamethoxazole; ERY, erythromycin and NA refers to data not available.
  3. (Intermediate resistance is abbreviated as I, and Resistance as R)