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Table 2 Proportion of frequent bacterial isolates in keratitis diagnoses

From: Bacterial profile of ocular infections: a systematic review

References, country

% of bacterial isolates

Gram positive

Gram negative

S. aureus

CoNS*

S. pneumoniae

S. viridians

Bacillus spp.

P. aeruginosa

E. coli

K. pneuoniae

Proteus spp.

H. influenzae

[10], Nigeria

22.4

22.4

3

1.5

 

22.4

22.4

  

4.5

[23], UK

14.2

25.8

3

0.4

0.4

24.3

 

0.4

 

0.7

[27], Uganda

20.5

66.6

1.3

       

[39], India

19.5

20.2

11.6

0.6

5.2

9.7

 

0.99

  

[59],Australia

11

38

   

21

    

[81], Iran

3.85

6.2

24.7

6.6

0.55

24.7

0.55

 

0.55

 

[67], Mexico

7.1

28.1

14.3

14.3

 

14.3

    

[82], Israel

10

 

14

  

16

   

3

[83], France

5.2

32.7

2.3

  

6.8

  

0.7

 

[84],Thailand

2

11

  

2

55

 

2

2

2

[85], Brazil

5.9

4.4

2.4a

 

7.7

 

0.6

0.6

 
  1. Note: *CoNS = Coagulase Negative Staphylococci; a Streptococus species