Table 1. Trend analysis of bacterial keratitis isolates by year period 2002–2014.

Common bacterial isolate	2002–2005	2006–2009	2010–2014	APC*	P value
Grand Total	155	119	157	-1.6	0.3
Coagulase-negative staphylococci	68	33	37	-8.1	0.002
Pseudomonas aeruginosa	27	26	25	-5.3	0.1
Streptococcus pneumoniae	13	21	22	7.4	0.2
Staphylococcus aureus	11	15	16	-0.8	0.9
MRSA	2	1	0	-31.2	0.5
MSSA	9	14	16	7.5	0.2
Haemophilus influenzae	4	3	2	-8.3	0.1
Streptococcus species	4	5	3	-3.5	0.5
Escherichia coli	1	1	3	14.7	0.1

*APC: Annual Percent Change