Table 3.

Predisposing factors identified in patients with corneal ulcer caused by the most prevalent bacterial isolates

	CoNS	P. aeruginosa	S. aureus	Moraxella spp.	P. acnes	S. viridans	Diphtheroids	S. pneumoniae	Bacillus spp.	S. marcescens	MRSA
Contact lens wear	16	33	4	2	2	1	0	1	0	4	0
Trauma	5	6	4	5	3	2	0	1	2	0	1
Ocular surface disease	13	3	2	1	1	1	3	0	1	1	0
Underlying corneal disease	13	3	5	3	1	1	6	1	2	0	0
Exposure to contaminated water	0	1	0	0	2	0	0	0	0	0	0
Prior viral keratoconjunctivitis	1	0	0	1	0	0	0	0	0	0	0
Recent history of ophthalmic procedure	0	0	2	1	0	0	0	0	0	0	0
Topical steroid use	2	0	1	0	0	0	0	0	1	0	1
Immunocompromised only	2	2	4	2	0	0	0	2	0	0	1
Risk factors not documented	6	3	2	2	0	3	1	1	0	0	2
MRSA, Methicillin-resistant Staphylococcus aureus