Predisposing Factors, Microbial Characteristics, and Clinical Outcome of Microbial Keratitis in a Tertiary Centre in Hong Kong: A 10-Year Experience

Table 2

Distribution of microbial isolates.

	Number of isolates	Percentage (%)
Gram-positive bacteria:
Coagulase-negative Staphylococcus	34	50.0
Staphylococcus aureus	17	25.0
Other Gram-positive cocci	7	10.3
Other Gram-positive rods^#	8	11.8
Other Gram-positive bacteria	2	2.9
Total	68	100.0
Gram-negative Bacteria:
Pseudomonas	33	66
Enterobacteriaceae^†	8	16
Other Gram-negative bacteria	9	18
Total	50	100
Fungi:
Fusarium	4	33.3
Candida	3	25
Others	5	41.7
Total	12	100

Note: 16 cases were polymicrobial cases.
Gram-positive cocci include other Streptococcus and Staphylococcus strains.
^#Gram-positive rods include Bacillus, Corynebacterium, and Diphtheroid.
Other Gram-positive include Micrococcus.
Enterobacteriaceae include Escherichia coli, Klebsiella, Serratia, and Citrobacter.
Other Gram-negative bacteria include Moraxella, Flavobacteria, Acinetobacter,and Propionibacterium.
Others include Aspergillus, Penicillium, and Rhodotorula.