Figure 1From: Human transmissible spongiform encephalopathies in eleven countries: diagnostic pattern across time, 1993–2002Variation across time for four major HTSE groups in: a) annual number of cases by year of clinical onset, with study population shown in millions; b) annual number of cases by year of death; c) annual average age at death and; d) proportion of cases, all entities, for whom diagnostic data were available in terms of EEG, 14.3.3 test in CSF, MRI and genotyping, by year of deathBack to article page