Table 1

Number of studies assessing each imaging method, according to study design and reference standard
MRI only CT only MRI and CT Total
Study Design
 Prospective cohort 4 14 2 20
 Retrospective cohort 1 4 1 6
 Case-control 7 4 1 12
Reference standard
 Autopsy 1 6 0 7
 Non-autopsy 11 16 4 31
Total 12 22 4 38

Beynon et al.

Beynon et al. BMC Neurology 2012 12:33   doi:10.1186/1471-2377-12-33

Open Data