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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)