Table 1.

Characteristics of PPA‐AD participants.

PPA‐AD participant #	PPA sub‐type	Sex	Education (years)	Age at onset (years)	Age at scan (years)	Age at death (years)	Symptom duration (years)	Scan/death interval (years)	Postmortem interval (hours)	Fixative	APOE status
1	L	Male	16	56	61	62	4.7	0.6	6	F	3,3
2	U	Male	12	55	61	64	7.9	2.1	14	F	3,3
3	L	Male	15	67	73	76	8.6	2.0	8	P	3,4
4	U	Male	14	51	58	61	9.4	2.5	19	P	3,4
5	G	Male	18	72	75	78	6.2	2.5	28	P	3,4

Ages were calculated from date of birth to event (i.e., disease onset, scan, or death) and were rounded for summary purposes.

Abbreviations: APOE = apolipoprotein E; F = formalin; G = agrammatic; L = logopenic; P = paraformaldehyde; U = unclassifiable due to severity of impairments.