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Table 3 Comparison of detection of AS and CS in active surveillance in fallen stock and in healthy slaughter. OR is defined as chances to detect AS versus chances to detect CS.

From: A descriptive study of the prevalence of atypical and classical scrapie in sheep in 20 European countries

Country

Surveillance stream

Chi-square

df

p-value

OR

CI95%

France

Healthy slaughter

68.63

1

< 1.10-5

3.96

[2.80,5.62]

 

Fallen stock

7.83

1

0.005

0.69

[0.54,0.89]

Great Britain

Healthy slaughter

9.30

1

0.002

1.55

[1.17,2.05]

 

Fallen stock

22.03

1

< 1.10-5

0.37

[0.24,0.57]

Italy

Fallen stock

21.60

1

< 1.10-5

0.16

[0.07,0.38]

Norway

Healthy slaughter

19.17

1

1.10-5

45.00

[2.73,741.78,]

 

Fallen stock

14.71

1

0.0001

13.66

[2.60,71.71]

Portugal

Healthy slaughter

107.38

1

< 1.10-5

367.66

[10.22,13 231.94]

 

Fallen stock

35.44

1

< 1.10-5

127.67

[3.51,4 637.69]

Sweden

Fallen stock

5.56

1

0.02

21.00

[0.88,500.93]

  1. Non-statistically significant results were not displayed.