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Table 1 Parameter estimates for the final multivariable linear mixed regression model for liquid broth matings

From: Effect of donor-recipient relatedness on the plasmid conjugation frequency: a meta-analysis

 

Included data points

Log10(T / D)

 

n

%

Mean

95% CI

Reference

 

313

100

−4.97

−6.73

−3.22

Relatedness toE. colidonor

 Same species

184

58.8

Reference

 Same family

47

15.0

0.43

−0.25

1.12

 Same order

43

13.7

−1.00

− 1.93

−0.08

 Same class

23

7.3

−1.30

−3.53

0.93

 Other class

16

5.1

−2.90

−5.19

−0.60

Donor origin

 Laboratory strain

222

70.9

Reference

 Chicken

71

22.7

−1.70

−5.15

1.76

 Human

16

5.1

0.06

−2.78

2.90

 Wastewater

4

1.3

2.42

−1.86

6.69

Plasmid Inc group

 F

80

25.6

Reference

 A/C

7

2.2

−1.93

−3.33

−0.54

 H

60

19.2

−1.38

−4.91

2.16

 I

1

0.3

−0.38

−3.77

3.01

 L/M

8

2.6

−0.06

−1.38

1.27

 P

39

12.5

1.90

−0.71

4.51

 T

6

1.9

−2.22

−6.37

1.94

 V

3

1.0

−3.56

−7.90

0.78

 X

2

0.6

2.62

−1.52

6.75

 NR

107

34.2

−1.97

−2.94

− 1.00

Temperature (°C)

 5

4

1.3

0.86

−0.95

2.68

 20–30

171

54.6

1.15

0.55

1.75

 35–37

119

38.0

Reference

 42–47

12

3.8

−0.97

−2.04

0.11

 NR

7

2.2

−1.44

−5.12

2.25

Agitation of the medium

 Shaken

143

45.7

Reference

 Static

70

22.4

−0.70

−2.35

0.94

 NR

100

31.9

2.13

−0.89

5.14

  1. CI confidence interval; D initial number of donors; Inc incompatibility; n number of data points; NR not reported; T number of transconjugants. The value given as ‘Reference’ denotes the mean log10(T/D) if all variables are equal to their reference category, i.e., if the recipient is an E. coli bacterium, the donor is an E. coli laboratory strain carrying an IncF plasmid, and the experiment is performed at 35–37 °C in shaken medium. The values for the other categories list the differences from that overall mean
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BMC Microbiology

ISSN: 1471-2180

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