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Table 5 Differences between the least square means of log total viable count (TVC) (log10 cfu/cm2) in Study 1 from bars within pens, by market and treatment

From: Efficacy of washing and disinfection in cattle markets in Ireland

Group 1

Group 2

Difference between Group 1 and 2

Market

Treatmenta

Least square mean

Market

Treatmenta

Least square mean

Difference

95% Confidence interval

P-valueb

       

Lower

Upper

 

A

1

5.85

B

1

7.87

−2.02

−2.75

−1.29

<0.001

A

2

3.10

B

2

4.11

−1.01

−1.70

−0.32

0.052

A

3

2.95

B

3

3.78

−0.83

−1.52

−0.14

0.186

A

1

5.85

A

2

3.10

2.75

2.02

3.48

<0.001

A

1

5.85

A

3

2.95

2.90

2.17

3.63

<0.001

A

2

3.10

A

3

2.95

0.15

−0.54

0.84

1.000

B

1

7.87

B

2

4.11

3.76

3.07

4.45

<0.001

B

1

7.87

B

3

3.78

4.09

3.40

4.78

<0.001

B

2

4.11

B

3

3.78

0.33

−0.36

1.02

1.000

  1. aTreatment: 1 (dirty), 2 (washed), 3 (disinfected)
  2. bAdjusted to account for multiple comparisons using Bonferroni’s adjustment