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. Author manuscript; available in PMC: 2013 Dec 1.
Published in final edited form as: Am J Ophthalmol. 2012 Sep 5;154(6):934–939.e1. doi: 10.1016/j.ajo.2012.06.001

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%)
a

Susceptibility not done for one isolate