Table 2 Isolates from cases of presumed microbial keratitis grouped according to patients with recurrent episodes and those presenting with only a single episode.
From: Recurrent microbial keratitis and endogenous site Staphylococcus aureus colonisation
Single episode MK (n = 146) | Recurrent MK (n = 58) | |
|---|---|---|
Total number of positive samples | 39* (26.7%) | 13* (22.4%) |
Gram-positive cocci | 19 (13.0%) | 10 (17.2%) |
S. aureus | 2 (1.4%) | 5 (8.6%) |
CNS | 11 (7.5%) | 3 (5.2%) |
S. pneumoniae | 4 (2.7%) | 2 (3.4%) |
Alpha-haemolytic streptococci | 2 (1.4%) | 1 (1.7%) |
Gram-positive bacilli | 1 (0.7%) | 1 (1.7%) |
Bacillus sp. | 0 | 1 (1.7%) |
Diptheroids | 1 (0.7%) | 0 |
Gram-negative bacilli | 19 (13.0%) | 3 (5.2%) |
Pseudomonas aeruginosa | 9 (6.1%) | 1 (1.7%) |
Moraxella sp. | 4 (2.7%) | 0 |
Kingella | 1 (0.7%) | 0 |
Proteus | 0 | 1 (1.7%) |
Citrobacter koseri | 1 (0.7%) | 0 |
Acinetobacter lwoffii | 1 (0.7%) | 0 |
Serratia marcescens | 1 (0.7%) | 0 |
E.coli | 1 (0.7%) | 1 (1.7%) |
Other Enterobacteriaceae sp. | 1 (0.7%) | 0 |
Protozoa | 1 (0.7%) | 0 |
Acanthamoeba sp. | 1 (0.7%) | 0 |
Fungi | 1 (0.7%) | 0 |
Aspergillus sp. | 1 (0.7%) | 0 |
