Skip to main content

Table 2 Overall Eperythrozoon infection rate by selected variables

From: Infection rate of Eperythrozoon spp. in Chinese population: a systematic review and meta-analysis since the first Chinese case reported in 1991

Variable

 

Number of countributing studies

Total tested

Eperythrozoon positive

Crude infection rate (95% CI)

OR/Adjusted OR by area (95% CI)

Heterogeneity chi-square

Pvalue

Publication bias

Gender

Male

8

7129

2933

41.14

Ref.

None

   

(40.00 - 42.28)

   

Female

8

7408

3127

42.21

1.03

26.02

<0.01

   

(41.09 - 43.33)

(0.86 - 1.24)

  

Age of enrolled population (yrs)

≤19

4

1771

1342

75.78

Ref.

   

(73.78 -77.77)

   

20-39

5

9288

1738

18.71

0.55

67.52#

<0.01

   

(17.92 -19.51)

(0.48 - 0.64)

  

40-59

5

9330

1310

14.04

0.59

47.20 #

<0.01

   

(13.34 -14.75)

(0.50 - 0.68)

  

≥60

5

3459

411

11.88

0.80

5.80#

0.02

   

(10.80 -12.96)

(0.67 - 0.96)

  

Age

     

94.47#

<0.01

Area

     

3980.23#

<0.01

Occupation

Employees with the food industry exceptional

2

413

212

51.33

Ref.

   

(46.51 - 56.15)

   

Employees in the food industry

3

1458

832

57.06

0.85

1.45#

0.23

   

(54.52 - 59.60)

(0.66 - 1.10)

  

Farmers

4

1551

754

48.61

1.98

4.78#

0.03

    

(46.12 - 51.10)

(1.07 - 3.64)

  

Herdsmen

6

530

296

55.85

3.65

27.34#

<0.01

    

(51.62 - 60.08)

(2.25 - 5.93)

  

Occupation

     

44.75#

<0.01

Area

     

641.56#

<0.01

Contact history of animals

No

3

5548

575

10.36

Ref.

None

    

(9.56 - 11.17)

   

Yes

3

1413

808

57.18

6.40

233.38

<0.01

     

(54.60 - 59.76)

(5.50 - 7.37)

   

Season

Winter & Spring

2

9127

460

5.04

Ref.

  

     

(4.59 - 5.49)

    

Summer & Autumn

2

10178

1564

15.37

4.26

6.91

<0.01

     

(14.67 - 16.07)

(3.01 - 6.02)

   

Location

Urban area

2

839

633

75.45

Ref.

     

(72.54 - 78.36)

    

Rural area

2

1456

1190

81.73 (79.75 - 83.71)

2.83 (0.36 - 22.55)

21.86

<0.01

  1. # Wald Chi-square; † Unable to evaluate.