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Table 1 Demographic characteristics

From: The course of primary progressive aphasia diagnosis: a cross-sectional study

  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)