TABLE 1.
Demographics and neurocognitive comparisons of diagnostic groups
| Variable mean (SD) | CNAß‐ (n = 15) | CNAß+ (n = 12) | EMCIAß+ (n = 22) | LMCIAß+ (n = 12) | ADAß+ (n = 21) |
|---|---|---|---|---|---|
| Age (years) | 74.2 (8.8) | 75.9 (7.0) | 72.6 (5.2) | 73.3 (6.1) | 73.5 (7.6) |
| Sex (% F) | 64.2 | 41.7 | 50 | 61.6 | 42.9 |
| Years of education | 16.7 (2.3) | 15.8 (2.6) | 15.2 (2.6) | 16 (1.8) |
15.4 (2.6) |
| MOCA a | 26.2 (2.6) | 25.3 (2.9) | 22.3 (4.5) | 20.6 (7.1) | 13.4 (5.2) |
|
Auditory verbal learning Immediate recall a |
11.1 (3.0) | 11.33 (2.9) | 9.9 (3.0) | 7.6 (2.4) | 4.3 (1.6) |
|
Auditory verbal learning Delayed recall a |
6.2 (4.3) | 7.8 (3.8) | 4.3 (4.0) | 2.8 (2.8) | 0.4 (0.9) |
| Boston naming a | 28.2 (2.0) | 28.7 (1.1) | 27.1 (3.1) | 25.9 (5.0) | 22.4 (6.4) |
| Animal fluency a | 21.1 (3.64) | 20.1 (3.6) | 18.8 (4.2) | 17.4 (4.8) | 12.3 (5.0) |
| Clock drawing a | 4.8 (0.4) | 4.5 (1.0) | 4.6 (0.5) | 3.8 (1.3) | 3.1 (1.3) |
| Trail making B a | 69.0 (22.6) | 81.4 (19.6) | 99.9 (43.1) | 131 (89.0) | 216.9 (75.6) |
Abbreviations: AD, Alzheimer's disease; CN, cognitively normal; EMCI, early mild cognitive impairment; LMCI, late mild cognitive impairment; MOCA, Montreal cognitive assessment.
a
Significant group effect (Chi‐squared or analysis of variance as appropriate, α = .05). Values in parenthesis denote SD.