Table 1.

Comparison of isolated microorganisms between two time periods in patients with keratitis.

Organism	No. of positive isolates before year 2015	No. of positive isolates after year 2015	P value
P. aeroginosa	422	219	<0.001
S.pneumoniae	187	160	0.78
CoNS	119	190	<0.001
S. aureus	92	108	0.04
Fusarium sp.	117	82	0.06
S. viridans	55	109	<0.001
Moraxella sp.	42	64	0.006
Aspergillus sp.	54	47	0.53
Candida sp.	35	40	0.295
Klebsiella sp.	22	20	0.52
Serratia sp.	19	14	0.37
Citrobacter	13	18	0.28
Hemophilus sp.	9	7	0.50
Other	106	94

CoNS Coagulase negative staphylococci

Statistically significant are highlighted in bold letters and numbers.