From: A Population-based study of dementia in the oldest old: the Monzino 80-plus Study
 | n | 80-84 | 85-89 | 90-94 | 95+ | All |
---|---|---|---|---|---|---|
Mini-Mental State Examination (MMSE) or converted-MMSE | 1842 | 24.6 (6.5) | 21.3 (7.4) | 19.7 (7.9) | 16.3 (8.1) | 21.4 (7.8) |
 |  | 27 (24-28) | 24 (17-27) | 22 (14-26) | 17 (10-24) | 24 (17-27) |
Mini-Mental State Examination | 1268 | 25.5 (5.7) | 22.0 (7.0) | 20.6 (7.7) | 16.8 (8.6) | 22.4 (7.4) |
 |  | 27 (25-29) | 24 (19-27) | 23 (16-26) | 18 (11-24) | 25 (20-28) |
Blessed-Information Memory Concentration test 1 | 37 | 15.8 (4.3) | 12.7 (6.7) | 10.4 (5.3) | 10.0 (5.7) | 12.4 (6.2) |
 |  | 16 (12-20) | 10 (8-17) | 10 (5-13) | 10 (6-14) | 10 (8-16) |
Severe Mini-Mental State Examination 1 | 11 | - | 21.4 (7.6) | 11.2 (4.0) | - | 15.8 (7.7) |
 |  | - | 24 (14-28) | 12 (8-15) | - | 14 (9-24) |
Informant Questionnaire on Cognitive Decline in the Elderly | 1664 | 3.5 (0.6) | 3.8 (0.7) | 4.0 (0.8) | 4.3 (0.7) | 3.8 (0.8) |
 |  | 3.2 (3-3.8) | 3.6 (3.2-4.6) | 4.0 (3.3-5) | 4.4 (3.5-5) | 3.6 (3.2-4.6) |
Spontaneous Behavior Interview-Social Interaction | 1829 | 4.7 (7.7) | 8.1 (9.0) | 10.2 (9.6) | 13.3 (10.2) | 8.1 (9.3) |
 |  | 1 (0-5) | 4 (1-13) | 7 (2-16) | 12 (5-20) | 4 (1-13) |
Spontaneous Behavior Interview-basic activities of daily living | 1836 | 3.9 (7.3) | 6.9 (8.5) | 9.8 (9.6) | 14.3 (9.7) | 7.5 (9.1) |
 |  | 0 (0-4) | 4 (0-12) | 6 (1-18) | 15 (6-22) | 3 (0-13) |
Instrumental Activities of Daily Living, % disability | 1829 | 29.6 (33.2) | 49.7 (35.0) | 60.7 (35.1) | 77.9 (28.4) | 49.5 (37.1) |
 |  | 18 (0-42) | 42 (20-88) | 66 (27-97) | 94 (63-100) | 42 (17-93) |
Geriatric Depression Scale-10 items 2 | 1406 | 2.0 (2.5) | 2.9 (2.7) | 2.9 (2.7) | 2.8 (2.6) | 2.6 (2.7) |
 |  | 1 (0-3) | 2 (1-4) | 2 (1-5) | 2 (1-5) | 2 (0-4) |
Spontaneous Behavior Interview-Behavioral Problems | 1822 | 0.7 (2.0) | 1.4 (2.7) | 1.1 (2.5) | 1.0 (2.0) | 1.1 (2.4) |
 |  | 0 (0-0) | 0 (0-2) | 0 (0-1) | 0 (0-1) | 0 (0-1) |