Table 1. Demographic description of the brain samples.

	Subjects	Tissues	FC	TC	SN	Subjects with multiple tissues	FC+TC+SN	FC+TC	FC+SN
Total no.	144	228	117	77	34	77	7	68	2
White (%)	83.0		81.2	72.7	100		100	72.1	100
Male (%)	56.5		53.5	51.4	53.6		0	50.0	0
Age at Death (mean±S.E.M)	65.1±18.1		69.3±16.9	69.0±17.6	55.6±18.1		82.4±5.8	69.8±17.2	81.5±4.5
PMI (mean±S.E.M)	15.2±6.8		15.4±7.5	13.3±7.0	13.0±4.2		7.5±4.9	13.3±7.1	14±2.0

FC- frontal cortex, TC-temporal cortex, SN-substantia nigra. PMI- post mortem interval.