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Table 2 Summarized model input per herd for piglets only used for estimation of MRSA transmission parameters

From: Longitudinal study on transmission of MRSA CC398 within pig herds

Herd

Interval1)

Infectious (n/compartment)

Susceptible (n/compartment)

Cases (n/compartment)

Δt(days)

Pens2) (n)

Risk ab3)(n pens)

pIP(range)

NL1

I

0

199

85

4

16

9

0.00-0.47

 

II

34

56

50

14

10

4

0.28-0.34

 

III

92

11

11

21

5

5

0.33-0.33

 

IV

-

-

-

-

-

-

-

 

V

-

-

-

-

-

-

-

NL2

I

0

147

147

6

12

12

0.33-0.33

 

II

-

-

-

-

-

-

-

 

III

-

-

-

-

-

-

-

 

IV

36

40

40

21

10

0

0.40-0.40

 

V

-

-

-

-

-

-

-

NL3

I

0

90

86

5

8

8

0.28-0.34

 

II

17

4

4

14

2

0

0.33-0.33

 

III

42

1

1

21

1

0

0.33-0.33

 

IV

-

-

-

-

-

-

-

 

V

-

-

-

-

-

-

-

NL4a

I

0

68

3

2

6

0

0.00-0.91

 

II

3

61

1

21

6

1

0.00-1.00

 

III

2

62

31

13

6

0

0.23-0.70

 

IV

23

30

23

21

5

0

0.33-0.47

 

V

16

2

1

80

2

0

0.20-0.34

NL4b

I

0

79

1

4

6

0

0.00-1.00

 

II

-

-

-

-

-

-

-

 

III

0

67

14

24

6

0

0.00-0.51

 

IV

14

53

7

15

6

0

0.30-0.66

 

V

4

19

8

94

2

0

0.12-0.88

NL

 

283

989

513

 

109

39

0.00-1.004)

DK1

I

0

57

57

3

5

0

0.31-0.31

 

II

-

-

-

-

-

-

-

 

III

-

-

-

-

-

-

-

 

IV

-

-

-

-

-

-

-

 

V

-

-

-

-

-

-

-

DK2

I

0

142

97

4

14

14

0.05-0.37

 

II

27

41

34

18

7

0

0.23-0.32

 

III

86

17

17

22

7

1

0.22-0.22

 

IV

-

-

-

-

-

-

-

 

V

-

-

-

-

-

-

-

DK

 

113

257

205

 

33

15

0.05-0.374)

  1. NL = Dutch; DK = Danish.
  2. 1) Interval I–V = time between subsequent sampling moments starting from birth.
  3. 2) Number of pens used in statistical analysis.
  4. 3) Number of pens where > 1 pig received treatment with risk antimicrobials, i.e. tetracyclins or β-lactams.
  5. 4) NL: mean = 0.32; SD = 0.21, DK: mean = 0.27; SD = 0.08.
  6. – : No susceptibles left.