Table 1.
Nocardia keratitis isolate species and antibiotic susceptibilities
Nocardia spp strain | Total N (%) | Moxifloxacin MIC50 (μg/ml) | Susceptible isolates by disc diffusion (N, %) | ||||
---|---|---|---|---|---|---|---|
Moxifloxacin | Amikacin | Ciprofloxacin | Gatifloxacin | Ofloxacin | |||
Nocardia cyriacigeorgica | 18 (35%) | 2.5 | 14 (78%) | 18 (100%) | 11 (65%)a | 13 (72%) | 11 (65%)** |
Nocardia pneumoniae | 11 (21%) | 12 | 5 (45%) | 10 (91%) | 5 (45%) | 6 (55%) | 5 (45%) |
Nocardia asteroides | 10 (19%) | 1 | 8 (80%) | 10 (100%) | 6 (60%) | 9 (90%) | 6 (60%) |
Nocardia farcinica | 5 (10%) | 0.125 | 5 (100%) | 5 (100%) | 5 (100%) | 5 (100%) | 5 (100%) |
Nocardia ignorata | 3 (6%) | 1.5 | 2 (66%) | 3 (100%) | 2 (67%) | 2 (67%) | 2 (67%) |
Nocardia araoensis | 2 (4%) | 5.7 | 1 (50%) | 2 (100%) | 1 (50%) | 2 (100%) | 1 (50%) |
Nocardia asiatica | 1 (2%) | 32 | 0 (0%) | 1 (100%) | 0 (0%) | 0 (0%) | 0 (0%) |
Nocardia blacklockiae | 1 (2%) | 0.5 | 1 (100%) | 1 (100%) | 1 (100%) | 1 (100%) | 1 (100%) |
Nocardia wallacei | 1 (2%) | 32 | 0 (0%) | 1 (100%) | 0 (0%) | 0 (0%) | 0 (0%) |
Total | 52 | 2 | 36 (69%) | 51 (98%) | 31 (61%) | 38 (73%) | 31 (61%) |
Susceptibility not done for one isolate