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Table 2 Species distribution of the pooled proportion of ESBL-producing Gram-negative bacteria

From: High rate of extended-spectrum beta-lactamase-producing gram-negative infections and associated mortality in Ethiopia: a systematic review and meta-analysis

Gram-negative bacteria

No. of studies

No. of isolates

No. of ESBL-positive isolates

ESBL Proportion

[95% CI]

I2 (p-value)

Klebsiella spp.

10

400

263

0.66 [.61; .70]

<  0.001

Enterobacter spp.

6

53

33

0.61 [.47; .74]

<  0.001

Salmonella spp.

5

186

90

0.48 [.33; .63]

<  0.001

E. coli

10

815

383

0.47 [.44; .50]

<  0.001

Citrobacter spp.

5

47

22

0.47[.33;,63]

0.001

Providencia spp.

3

16

7

0.44 [.20; .70]

0.011

Proteus spp.

6

53

15

0.28 [.16; .42]

0.053

Pseudomonas aeruginosa

2

23

4

0.17 [.05; .39]

0.386

Acinetobacter spp.

3

32

3

0.09

Othersa

5

24

5

0.09 [.02;.25]

0.142

Total

 

1649

825

0.25 [.09; .49]

<  0.0001

  1. aOthers: Alcaligenes faecalis (1 ESBL of 3 isolates), Morganella morganii (3 ESBL of 12 isolates); Stenotrophomonas maltophilia (1 ESBL of 4 isolates), Escherichia hermanii (1 ESBL of 1 isolates)