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Table 3 Pooled prevalence of VRE by subgroups

From: Prevalence of Vancomycin resistant enterococci (VRE) in Ethiopia: a systematic review and meta-analysis

Subgroups

Numbers of studies

No of enterococci isolates tested, N

Pooled prevalence of VRE, N (%)

95% CI

I2

P-value

Region

 Addis Ababa

7

56

13 (26.1)

10.7–50.9

41.65

0.113

 Amhara

8

568

38 (15.0)

6.9–29.6

79.39

<  0.001

 Oromia

4

154

19 (9.0)

2.8–25.7

71.49

0. 015

 SNNPR

1

53

1 (1.9)

0.8–19.8

–

–

Study perioda

 Before/in 2015

8

354

27 (16.5)

6.5–31.5

81.09

<  0.001

 After 2015

11

424

43 (16.3)

7.6–31.3

69.20

<  0.001

AST method

 Disc diffusion

17

649

61 (16.9)

9.3–28.9

66.89

<  0.001

 Dilution/MIC

3

182

10 (7.9)

1.9–27.6

91.88

<  0.001

Type of specimen

 Stool

5

598

37 (5.9)

2.8–11.7

0.00

0.629

 Urine

4

26

10 (37.3)

15.8–63.3

0.00

0.665

 Blood

4

26

4 (22.0)

6.9–51.9

45.06

0.141

 Wound swab

1

2

1 (50.0)

–

–

–

 Multi-siteb

6

179

19 (16.8)

8.0–31.9

77.87

<  0.001

Publication history

 Published

14

792

60 (11.3)

6.4–19.2

72.86

<  0.001

 Unpublished

6

39

11 (31.9)

12.9–59.7

25.82

0.241

  1. a One study did not report its study period; b Studies used more than one type of specimen to isolate enterococci; MIC: Minimum Inhibitory Concentration