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

BMC Veterinary Research

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.

Country	Surveillance stream	Chi-square	df	p-value	OR	CI_95%
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]

ISSN: 1746-6148