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Table 3 The distribution of bacteria according to clinical diagnosis

From: Ocular bacterial infections at Quiha Ophthalmic Hospital, Northern Ethiopia: an evaluation according to the risk factors and the antimicrobial susceptibility of bacterial isolates

Type of bacterial isolate, N (%) Clinical diagnosis Total N (%)
P’orbital cellulitisa Dacryocystitis Blepharitis Blepharoconjunctivitis Conjunctivitisb Keratitisc Endophthalmitisd
S. aureus 4 (50) 3 (25) 5 (38.5) 2 (33.3) 17 (21.5) 7 (14.9) 2 (9.5) 40 (21.5)
CoNSe 0 0 3 (23.1) 1 (16.7) 13 (16.5) 8 (17) 6 (28.6) 31 (16.7)
S. pyogenes 1 (12.5) 3 (25) 0 0 1 (1.3) 0 0 5 (2.7)
S. pneumoniae 2 (25) 2 (16.7) 0 1 (16.7) 3 (3.8) 0 0 8 (4.3)
Viridans streptococci 0 0 0 0 6 (7.6) 1 (2.1) 0 7 (3.8)
Enterococcus spp. 0 0 0 0 6 (7.6) 2 (4.3) 0 8 (4.3)
Moraxella spp. 1 (12.5) 0 0 0 0 1 (2.1) 0 2 (1.1)
N. gonorrhoeae 0 0 0 0 1 (1.3) 0 0 1 (0.5)
H. influenzae 0 0 0 0 2 (2.5) 0 0 2 (1.1)
P. aeruginosa 0 0 1 (7.7) 0 2 (2.5) 11 (23.4) 7 (33.3) 21 (11.3)
K. pneumoniae 0 1 (8.3) 1 (7.7) 0 2 (2.5) 1 (2.1) 2 (9.5) 7 (3.8)
Klebsiella spp. 0 1 (8.3) 0 0 2 (2.5) 2 (4.3) 0 5 (2.7)
E. coli 0 1 (8.3) 1 (7.7) 1 (16.7) 7 (8.9) 4 (8.5) 1 (4.8) 15 (8.1)
Enterobacter spp. 0 1 (8.3) 1 (7.7) 0 5 (6.3) 3 (6.4) 0 10 (5.4)
Citrobacter freundii 0 0 0 0 2 (2.5) 2 (4.3) 0 4 (2.2)
S. marcescens 0 0 0 1 (16.7) 3 (3.8) 1 (2.1) 0 5 (2.7)
Aeromonas spp. 0 0 0 0 1 (1.3) 1 (2.1) 0 2 (1.1)
P. shigelloides 0 0 0 0 1 (1.3) 0 0 1 (0.5)
Proteus spp. 0 0 0 0 2 (2.5) 1 (2.1) 0 3 (1.6)
Acinetobacter spp. 0 0 1 (7.7) 0 1 (1.3) 2 (4.3) 1 (4.8) 5 (2.7)
GPBf 0 0 0 0 2 (2.5) 0 2 (9.5) 4 (2.2)
Total 8 (100) 12 (100) 13 (100) 6 (100) 79 (100) 47 (100) 21 (100) 186 (100)
  1. Notes: amixed isolate in one case: S. pneumoniae + H. influenzae; bmixed isolates in three cases: E. coli + P. aeruginosa; E. coli + S. aureus & S. marcescens + S. aureus ; cmixed isolate in one case: P. aeruginosa + S. aureus ; dmixed isolate in one case: E. coli + CoNS; e CoNS Coagulase negative staphylococci; f GPB Gram-positive bacilli, P’orbital cellulitis = Periorbital cellulitis