Table 2.

LRP categorization in LRP positive LADRS cases using all nine regions recommended by the published criteria^* or using a subset of five regions. Abbreviations: LADRS = Lewy Body‐Associated Dementia Research Study; LRP = Lewy‐related pathology; SN = substantia nigra.

Lewy body type pathology	Nine regions assessed* n (%)	Five regions assessed† n (%)
Brainstem‐predominant	0 (0%)	1 (1%)
Limbic (transitional)	3 (2%)	10 (8%)
Diffuse neocortical	61 (49%)	67 (54%)
Unclassifiable	61 (49%)	47 (38%)

^* Reference (17).

^† medulla, SN, amygdala, cingulate gyrus, frontal cortex.