Table 3 Previous studies of polymerase chain reaction (PCR) in post cataract endophthalmitis.

From: Using the West Midlands CONCERT to characterise regional incidence of acute-onset post cataract surgery endophthalmitis

Study

Sample size

Type of sample

Culture +ve PCR −ve

Culture −ve PCR +ve

Culture and PCR +ve

Culture and PCR −ve

This Study

7

Vitreous

0

0

3

4

Joseph et al. [39]

64

Vitreous

1

19

18

26

Lohman et al. [40]

25

Aqueous

0

21

0

4

Lohman et al. [40]

25

Vitreous

0

17

6

2

Lohman et all. [41]

16

Aqueous

0

15

1

0

Lohman et all. [41]

16

Vitreous

0

7

7

2

Chiquet et al. [42]

30

Aqueous

2

9

6

9

Sowmya et al. 2009*

72

Aqueous

3

32

24

13

Sownya et al. 2009* [43]

72

Vitreous

2

40

25

5

  1. An asterisk denotes post cataract, post traumatic and endogenous endophthalmitis.