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Table 1 Comparison of bacterial counts in mother-infant pair and species shared during delivery

From: Maternal-neonatal transmission of Enterococcus strains during delivery

Mother-infant pair

Viable counts log10 mother

Viable counts log10 cfu/ml infants

Bacterial species shared by the pair

N

VD

CD

E. riv

E. dis

E.can

E. phe

E. vil

E. ita

E. rat

E.viik

E. tha

1

5.67 ± 0.1

 

ND

 

+/−

+/−

      

0

2

5.95 ± 0.07

2.34 ± 0.07

   

+/+

+/+

−/+

    

2

3

5.85 ± 0.12

2.28 ± 0.13

 

−/+

 

+/+

   

+/+

  

2

4

4.68 ± 0.03

 

ND

  

+/−

      

0

5

6.078 ± 0.31

3.56 ± 0.15

         

+/+

1

6

6.15 ± 0.41

2.68 ± 0.06

 

+/−

        

0

7

6.20 ± 0.27

2.43 ± 0.14

   

−/+

      

0

8

5.78 ± 0.07

3.21 ± 0.27

        

+/−

 

0

9

5.85 ± 0.07

 

ND

  

+/+

      

1

10

5.43 ± 0.15

3.06 ± 0.38

       

+/+

  

1

11

4.48 ± 0.06

3.24 ± 0.21

     

+/+

    

1

12

5.30 ± 0.02

 

ND

 

+/−

       

0

13

4.78 ± 0.12

 

ND

  

+/−

      

0

14

5.77 ± 0.04

 

ND

+/−

 

+/−

      

0

15

5.65 ± 0.04

3.36 ± 0.19

    

+/+

    

−/+

1

16

5.67 ± 0.45

3.45 ± 0.21

 

+/+

+/+

       

2

17

5.32 ± 0.33

3.76 ± 0.16

      

+/+

 

+/+

 

2

18

4.98 ± 0.52

3.56 ± 0.27

   

+/+

      

1

19

6.31 ± 0.41

3.77 ± 0.19

 

+/+

        

1

20

5.54 ± 0.26

 

ND

 

+/−

 

+/−

    

+/−

0

21

6.89 ± 0.23

2.94 ± 0.09

     

+/+

    

1

22

5.95 ± 0.34

3.25 ± 0.14

 

+/+

        

1

23

4.80 ± 0.08

3.66 ± 0.23

   

+/+

  

−/+

   

1

24

5.76 ± 0.02

 

ND

+/−

        

0

25

5.38 ± 0.24

2.98 ± 0.33

  

+/+

       

1

26

5.81 ± 0.01

 

ND

 

+/−

+/−

      

0

27

6.02 ± 0.03

3.44 ± 0.21

  

+/+

+/+

      

2

28

6.45 ± 0.09

2.95 ± 0.05

 

−/+

 

+/+

      

1

29

5.20 ± 0.01

 

ND

+/+

        

1

30

6.91 ± 0.37

2.48 ± 0.35

 

+/+

 

−/+

    

+/+

 

2

31

6.11 ± 0.46

3.16 ± 0.11

         

+/+

1

32

5.97 ± 0.48

 

ND

     

+/−

   

0

33

5.54 ± 0.43

2.79 ± 0.26

   

+/+

      

1

34

6.70 ± 0.36

3.24 ± 0.13

 

+/+

  

+/+

     

2

35

4.78 ± 0.05

3.67 ± 0.17

  

+/−

       

0

  1. Legend: Values are mean log10 cfu/mL (vaginal fluid) or log10 cfu/g (feces) ± standard deviation
  2. E. riv, Entercoccus rivorum; E. dis, Enterococcus dispar; E. can, Enterococcus canintestinii; E. phe, Enterococcus pheoniculicola; E. vil, E villorum; E. ita, Enterococcus italicus; E. rat, Enterococcus ratti; E. viik, Enterococcus viikiensis; E. thai, Enterococcus thailandicus; VD, vaginal delivery; CD, cesarean delivery; N, number of bacterial species shared by the pair; +/+, bacterial species was present in both the both mother and infant sample; +/−, bacterial species was present in the mother but absent in the infant; −/+, bacterial species absent in mother but present in infant; ND, not detected