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Table 3 Summary of findings: Meta-analysis of H. pylori in gastroenterological personnel

From: The occupational risk of Helicobacter pyloriinfection among gastroenterologists and their assistants

 

Number

Pooled estimation

Homogeneity

 

studies

RR

95% CI

χ²

p value

All studies

All

24

1.34

1.14-1.58

174.51

< 0.00001

Staff

14

1.51

1.23-1.84

97.54

< 0.00001

Doctors

18

1.48

1.22-1.81

145.34

< 0.00001

Assistants

13

1.33

1.06-1.66

53.14

< 0.00001

Good studies

All

15

1.52

1.27-1.81

100.00

< 0.00001

Staff

8

1.75

1.39-2.20

62.49

< 0.00001

Doctors

13

1.62

1.33-1.97

85.69

< 0.00001

Assistants

11

1.41

1.13-1.77

43.57

< 0.00001

Moderate studies

All

9

1.04

0.77-1.41

34.13

< 0.00001

Staff

6

1.16

0.79-1.69

17.38

0.004

Doctors

5

1.12

0.62-2.03

41.25

< 0.00001

Assistants

2

0.80

0.50-1.28

0.72

0.4*

Medical controls

Staff

6

1.02

0.90-1.15

6.30

0.28*

   good studies

4

1.06

0.96-1.18

3.17

0.37*

Doctors

10

1.20

0.99-1.45

23.58

0.005

   good studies

7

1.21

0.98-1.50

19.00

0.004

Assistants

6

1.04

0.91-1.20

3.66

0.6*

   good studies

5

1.07

0.93-1.23

2.06

0.73*

Non-medical controls

Staff

14

1.51

1.23-1.84

97.54

< 0.00001

   good studies

8

1.77

1.40-2.23

63.90

< 0.00001

Doctors

16

1.41

1.13-1.77

159.35

< 0.00001

   good studies

11

1.55

1.22-1.96

100.13

< 0.00001

Assistants

12

1.37

1.08-1.73

48.13

< 0.00001

   good studies

10

1.47

1.17-1.85

37.89

< 0.00001

Study area Europe

Staff

4

1.16

0.85-1.59

11.91

0.008

   good studies

2

1.43

1.21-1.69

0.97

0.33*

Doctors

7

1.13

0.85-1.51

35.73

< 0.00001

   good studies

5

1.30

0.99-1.72

13.60

0.009

Assistants

3

    

   good studies

 

1.30

1.06-1.59

3.95

0.14*

Study area Asia

Staff

     

   good studies

5

1.53

1.24-1.89

19.33

0.0007

Doctors

7

1.53

1.26-1.86

18.97

0.004

   good studies

6

1.54

1.26-1.88

18.94

0.002

Assistants

     

   good studies

5

1.58

1.40-1.78

3.97

0.41*

Study area America / Australia

Staff (1 good,5 moderate)

     
 

6

2.07

0.98-4.40

41.01

< 0.00001

Doctors

4

2.08

1.30-3.34

21.65

< 0.00001

   good studies

2

2.63

1.34-5.20)

11.93

0.0006

Assistants

5

0.99

0.47-2.10

29.24

< 0.00001

   good studies

3

1.21

0.36-4.03

28.02

< 0.00001

Diagnostic method: breath test

Staff

3

1.41

1.22-1.63

3.46

< 0.00001

Doctors

7

1.23

0.92-1.64

46.31

< 0.00001

Assistants

3

1.45

1.24-1.69

1.55

0.46*

Diagnostic method: serology

Staff

10

1.47

1.07-2.04

84.87

< 0.00001

Doctors

11

1.66

1.33-2.09

53.62

< 0.00001

Assistants

9

1.17

0.79-1.73

57.54

< 0.00001

Publication date ≤ 1989

Staff

4

1.14

0.94-1.38

6.67

0.08*

Doctors

2

1.30

0.33-5.05

15.56

< 0.00001

Assistants

2

0.80

0.50-1.28

0.72

0.4*

Publication date 1990 - 1999

Staff

7

1.62

1.17-2.24

61.13

< 0.00001

Doctors

12

1.66

1.32-2.08

80.05

< 0.00001

Assistants

8

1.42

1.02-1.98

38.77

< 0.00001

Publication date ≥ 2000

Staff

3

1.93

1.05-3.54

6.87

0.03

Doctors

4

1.04

0.62-1.76

36.22

< 0.00001

Assistants

3

1.36

1.15-1.61

5.19

0.07*

  1. * Fixed effect model
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BMC Infectious Diseases

ISSN: 1471-2334

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