Table 1.

Demographic characteristics

	PPA (n=5186)		AD (n=162,005)
	Mean	[SD]	Mean	[SD]	p-value
Age when first diagnosed, years	73.7	[9.1]	81.4	[8.0]	<.001
MMSE at ±1 year after diagnosis	19.5	[7.3]	17.9	[5.9]	<.001
	n	(%)	n	(%)	p-value
Gender					<.001
Female	2887	(55.7)	112,751	(69.6)
Male	2299	(44.3)	49,254	(30.4)
Type of centre					<.001
Memory clinic	2739	(52.8)	120,750	(74.5)
Regional specialized memory clinic	2309	(44.5)	37,361	(23.1)
Private neurologist	138	(2.7)	3894	(2.4)
Age at first consultation following diagnosis, years					<.001
< 50	38	(0.7)	462	(0.3)
[50, 55[	89	(1.7)	567	(0.4)
[55, 60[	205	(4.0)	1493	(0.9)
[60, 65]	533	(10.3)	3038	(1.9)
[65, 70]	807	(15.6)	6694	(4.1)
[70, 75]	966	(18.6)	14,801	(9.1)
[75, 80]	1191	(23.0)	31,774	(19.6)
[80, 85]	923	(17.8)	47,930	(29.6)
≥ 85	834	(8.4)	55,246	(34.1)
Education					<.001
No education	205	(4.0)	12,523	(7.7)
Primary	1536	(29.6)	75,615	(46.7)
Secondary first cycle	1067	(20.6)	26,893	(16.6)
Secondary second cycle	805	(15.5)	14,715	(9.1)
Superior	1022	(19.7)	13,222	(8.2)
Unknown	551	(10.6)	19,037	(11.8)
Initially referred by					<.001
General practitioner	2839	(54.7)	106,157	(65.5)
Neurologist	1152	(22.2)	9751	(6.0)
Other specialists	592	(11.4)	17,665	(10.9)
Direct	233	(4.5)	6974	(4.3)
Others	370	(7.1)	21,458	(13.3)
Community-dwelling					<.001
No	333	(6.4)	27,240	(16.8)
Yes	4853	(93.6)	134,765	(83.2)
Patient location					<.001
Within 50 km from the memory clinic	4245	(81.9)	148,844	(91.9)
Over 50 km from the memory clinic	941	(18.2)	13,161	(8.1)