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Table 3 Risk factors for being a HBS case farm significant in multivariable logistic regression analysis

From: Housing and management factors and breed predisposition for haemorrhagic bowel syndrome in swine

Risk factors

OR1

Lower2

Upper3

Sire breeds (compared to Duroc)

   

PREMO®

147.53

8.19

2657.92

PREMO® / Duroc

66.41

4.3

1025.77

Other

67.76

2.47

1860.62

Origin of pigs per batch (compared to one origin)

   

Two or more origins

52.12

4.28

635.16

Frequency of cleaning of the distribution pipes (compared to never)

   

Daily

1.85

0.09

38.24

Weekly

149.02

3.05

7281.87

Monthly

7.42

0.4

136.01

After every group

0.94

0.09

9.96

Every six month

0.2

0.01

5.49

Less than six month

7.42

0.4

136.01

Feeding place width per finisher pig in dm

   

Per 1 dm more

0.071

0.01

0.78

  1. This table is based on data of 48 case and 49 control herds. 1Odds ratio;2Lower 95% confidence limit;3Upper 95% confidence limit