Figure 1From: The prevalence of atypical scrapie in sheep from positive flocks is not higher than in the general sheep population in 11 European countriesForest plot for the probability of additional atypical scrapie (AS) cases in AS positive flocks versus active surveillance in healthy slaughtered animals. DL: DerSimonian and Laird random effects model, MH: Mantel-Haenszel fixed effects model, Weights are from DL analysis, black dot: country OR, horizontal lines: 95% CI for country OR, grey boxes: country weight, diamond: overall OR with 95% CI, dashed vertical red line: DL overall OR, vertical black line: reference value (1).Back to article page