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Table 2 Diagnoses before and after first diagnosis of interest

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

  PPA AD
n (%) n (%)
Diagnosis BEFORE first diagnosis of interest
 Pending diagnosis 3277 (49.6) 83,967 (53.4)
 Alzheimer’s disease (AD) 835 (12.6) 0 (0.0)
 Memory complaints 492 (7.4) 11,781 (7.5)
 MCI 467 (7.1) 10,256 (6.5)
 Amnestic MCI 294 (4.4) 21,974 (14.0)
 Huntington disease 205 (3.1) 754 (0.5)
 Mixed dementia 177 (2.7) 11,348 (7.2)
 Anxiety disorder, depressive disorder 177 (2.7) 5540 (3.5)
 Frontotemporal lobar degeneration (FTLD) 90 (1.4) 280 (0.2)
 Others 596 (9.0) 11,419 (7.3)
Diagnosis AFTER first diagnosis of interest
 PPA 10,760 (72.7) 0 (0.0)
 Alzheimer’s disease (AD) 2049 (13.8) 318,769 (90.7)
 Frontotemporal lobar degeneration (FTLD) 328 (2.2) 672 (0.2)
 Pending diagnosis 323 (2.2) 3761 (1.1)
 Huntington disease 229 (1.5) 634 (0.2)
 Mixed dementia 223 (1.5) 14,267 (4.1)
 MCI 146 (1.0) 1924 (0.5)
 Amnestic MCI 89 (0.6) 2546 (0.7)
 Others 1107 (7.5) 27,576 (7.8)