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Table 1 Antimicrobial susceptibility profiles for 44 macrolide resistant S. pneumoniae isolates by disk diffusion or E-test

From: Genotypes and serotype distribution of macrolide resistant invasive and non- invasive Streptococcus pneumoniae isolates from Lebanon

  Number & Percentage of Isolates
Antimicrobial test Susceptible Intermediate Resistant
Disk Diffusion    
Chloramphenicol (C) n = 43 (97.72%) n = 0 (0%) n = 1 (2.27%)
Sulfamethoxazole-Trimethoprim (SXT) n = 12 (27.27%) n = 1 (2.27%) n = 31 (70.45%)
Tetracycline (TE) n = 10 (22.72%) n = 1 (2.27%) n = 33 (75%)
E-test    
Penicillin (PG) n = 9 (20.45%) n = 21 (47.73%) n = 14 (31.82%)
Ceftriaxone (TX) n = 26 (59.09%) n = 13 (29.55%) n = 5 (11.36%)