Table 4.
Comparison between two groups of patients diagnosed with AD or MCI in the BNA in 2014 either in the 11 CMRRs participating in the detailed analysis (Group 1) or in the 18 other French CMRRs
| CMRRs | P value | ||||
| Group 0 (n=5 124) | Group 1 (n=3 471) | ||||
| Mean | (SD) | Mean | (SD) | ||
| Age | 78.12 | (10.27) | 74.52 | (12.07) | <0.001 |
| MMSE | 20.85 | (6.65) | 21.71 | (6.52) | <0.001 |
| n | (%) | n | (%) | P value | |
| Gender | <0.001 | ||||
| Female | 3314 | (64.7) | 2080 | (59.9) | |
| Male | 1810 | (35.3) | 1391 | (40.1) | |
| Diagnostic | <0.001 | ||||
| AD | 3195 | (62.4) | 1804 | (52.0) | |
| aMCI | 595 | (11.6) | 592 | (17.1) | |
| naMCI | 1045 | (20.4) | 906 | (26.1) | |
| AD and aMCI | 118 | (2.3) | 105 | (3.0) | |
| AD and aMCI and naMCI | 19 | (0.4) | 9 | (0.3) | |
| aMCI and naMCI | 152 | (3.0) | 55 | (1.6) | |
| First MMSE | <0.001 | ||||
| <20 | 1680 | (35.9) | 825 | (28.8) | |
| ≥20 | 3000 | (64.1) | 2039 | (71.2) | |
| Education level | <0.001 | ||||
| <12 years | 2827 | (55.1) | 1889 | (54.5) | |
| >12 years | 1806 | (35.3) | 1238 | (35.5) | |
| Missing data | 461 | (9.6) | 350 | (10) | |
| Referred to the CMRR by | <0.001 | ||||
| General practitioner | 2978 | (58.1) | 1838 | (53.0) | |
| Neurologist | 413 | (8.1) | 665 | (19.2) | |
| Psychiatrist | 102 | (2.0) | 49 | (1.4) | |
| Geriatrician | 243 | (4.7) | 175 | (5.0) | |
| Other specialist | 573 | (11.2) | 214 | (6.2) | |
| Direct | 387 | (7.6) | 226 | (6.5) | |
| Retirement home | 49 | (1.0) | 26 | (0.8) | |
| Primary memory clinic | 17 | (0.3) | 31 | (0.9) | |
| Other CMRR | 24 | (0.5) | 34 | (1.0) | |
| Hospitalisation unit | 310 | (6.1) | 198 | (5.7) | |
| Emergency unit | 12 | (0.2) | 8 | (0.2) | |
| Social care services | 16 | (0.3) | 7 | (0.1) |
Group 0 (18 CMRR): Bordeaux, Clermont-Ferrand, Caen, Brest, Rennes, Reims, Corse, Besançon, Paris-Broca, Montpellier, Limoges, Toulouse, Marseille, Angers, Amiens, Grenoble, Villeurbanne, Saint-Etienne.
Group 1 (11 CMRR): Dijon, Lille, Nantes, Vandœuvre-Lès-Nancy, Nice, Paris -Lariboisière, Paris–Pitié Salpêtrière, Poitiers, Rouen, Strasbourg, Tours.
AD, Alzheimer’s disease; aMCI, amnestic mild cognitive impairment; CMRR, Centre for memory research and resource; MCI, mild cognitive impairment; MMSE, Mini Mental State Evaluation; naMCI, non-amnestic mild cognitive impairment.