Research Article

Bacterial Spectrum and Antibiotic Resistance Patterns of Ocular Infection: Differences between External and Intraocular Diseases

Table 1

Bacterial isolates recovered from external and intraocular infections.

External ocular isolatesIntraocular isolates Total
Number (cornea, conjunctiva)%Number (aqueous humor, vitreous)%Number%

Gram-positive organisms478 (294, 184)78.3688 (24, 64)69.2956676.8
Staphylococcus spp.376 (223, 153)61.6455 (15, 40)43.3143158.48
Kocuria spp.27 (21, 6)4.434 (1, 3)3.15314.21
Micrococcus spp.5 (5, 0)0.8200.0050.68
Bacillus spp.8 (5, 3)1.3110 (3, 7)7.87182.44
Enterococcus spp.5 (4, 1)0.821 (0, 1)0.7960.81
Corynebacterium spp.4 (4, 0)0.6600.0040.54
Streptococcus spp.6 (3, 3)0.988 (3, 5)6.30141.9
Aerococcus spp.5 (3, 2)0.8200.0050.68
 Others42 (26, 16)6.8910 (2, 8)7.87527.06
Gram-negative organisms132 (103, 29)21.6439 (11, 28)30.7117123.2
Pseudomonas spp.56 (51, 5)9.185 (2, 3)3.94618.28
Burkholderia spp.10 (8, 2)1.6400.00101.36
Acinetobacter spp.10 (6, 4)1.641 (0, 1)0.79111.49
Escherichia spp.6 (5, 1)0.983 (2, 1)2.3691.22
Enterobacter spp.6 (5, 1)0.987 (2, 5)5.51131.76
Serratia spp.5 (4, 1)0.8200.0050.68
Chryseobacterium spp.3 (3, 0)0.4900.0030.41
Gardnrella vaginallis1 (0, 1)0.1600.0010.14
Neisseria spp.1 (0, 1)0.1600.0010.14
Xanthomonas spp.2 (0, 2)0.333 (0, 3)2.3650.68
Sphingomonas spp.00.003 (0, 3)2.3630.41
Shigella spp.00.002 (1, 1)1.5720.27
 Others32 (21, 11)5.2515 (4, 11)11.81476.38
Total610 (397, 213)100.00127 (35, 92)100.00737100

: gram-positive isolates between external and intraocular infections (95% CI: 0.41~0.95).