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Antimicrobial susceptibility of the 56 Streptococcus pneumioniae isolates identified in the study comparing azithromycin 2.0 g microspheres with extended release clarithromycin (Drehobl et al 2005)
| Susceptible | Intermediate | Resistant | |
|---|---|---|---|
| Penicillin | 38 (68%) | 16 (29%) | 2 (4%) |
| Azithromycin | 49 (88%) | 1 (2%) | 6a (11%) |
| Clarithromycin | 50 (89%) | 0 | 6 (11%) |
2/6 among azithromycin-treated patients.
