Table 1 Demographic details of study groups.

	Control (n = 50)	PSP (n = 18)	LBD (n = 45)	AD (n = 39)
Mean (SD) age at death (years)	79.6 (8.8)	76.0 (8.2)	79.3 (7.0)	83.9 (6.1)*
Male/Female	17/33	11/7	25/20	19/20
Mean (SD), disease duration (years)	–	6.1 (3.5)	7.8 (5.6)	5.5 (2.9)
PM delay (hours)	38.4 (22.5)	45.7 (23.4)	37.4 (21.2)	44.9 (23.8)

AD, Alzheimer's disease; LBD, Lewy body dementia; PSP, progressive supranuclear palsy; PM, post mortem.

*AD age higher vs controls and LBD p<0.05, and vs PSP p<0.01.