Table 1.
Patient Characteristics | Dementia n = 154 | Cognitively Intact n = 62 | t | df | P |
---|---|---|---|---|---|
Age (years) | 77.5 ± 8 | 73.1 ± 9 | 3.22 | 101 | .002 |
Female | 97 (63) | 43 (69) | - | 1 | .375* |
Years of Education | 13 ± 5 | 15 ± 4 | 3.11 | 129 | .002 |
Race | - | 2 | .337* | ||
White | 114 (74) | 40 (65) | - | - | - |
Black | 25 (16) | 15 (24) | - | - | - |
Multi-racial | 15(4) | 7 (11) | - | - | - |
Ethnicity | - | 1 | .379† | ||
Latino | 18 (12) | 10 (16) | - | - | - |
Non-Latino | 136 (88) | 53 (84) | - | - | - |
Mini-mental Status Exam | 20.7 ± 4 | 28.8 ± 2 | 19.8 | 213 | <.001 |
Geriatric Depression Scale | 1 (0,13) | 0 (0,6) | - | - | .001‡ |
Cognitive Test Performance | |||||
Verbal Fluency | 9 ± 4 | 20 ± 6 | 13.0 | 93 | <.001 |
Boston Naming | 12 ± 3 | 14 ± 1 | 10.6 | 210 | <.001 |
Clock Drawing | 4 ± 3 | 1 ± 1 | 10.8 | 209 | <.001 |
Digit Symbol | 27 ± 17 | 52 ± 13 | 11.1 | 147 | <.001 |
Wordlist Memory | 11 ± 5 | 22 ± 4 | 17.2 | 142 | <.001 |
Wordlist Recognition | 15 ± 3 | 20 ± 1 | 14.2 | 149 | <.001 |
Wordlist Recall | 2 ± 2 | 7 ± 2 | 20.2 | 116 | <.001 |
Logical Memory 1 | 8 ± 6 | 25 ± 9 | 14.5 | 88 | <.001 |
Logical Memory 2 | 2 ± 4 | 23 ± 9 | 16.2 | 71 | <.001 |
Self Reported Distress, n (%) | - | 3 | .002* | ||
None | 46 (30) | 33 (53) | - | - | - |
Mild | 46 (30) | 18 (29) | - | - | - |
Moderate | 35 (23) | 10 (16) | - | - | - |
Severe | 25 (17) | 1 (2) | - | - | - |
Perceived Test Performance Compared to 10 Years Ago, n (%) | - | 1 | .89* | ||
Same or Better | 60 (40) | 25 (41) | - | - | - |
Worse | 90 (60) | 36 (59) | - | - | - |
Perceived Difficulty of Test, n (%) | - | 1 | .11* | ||
Very to Somewhat Easy | 76 (51) | 38 (63) | - | - | - |
Very to Somewhat Difficult | 73 (49) | 22 (37) | - | - | - |
Values are express as mean ± SD, frequency (percent), or median (upper bound, lower bound)
Pearson Chi Square
Fisher’s Exact Test
Wilcoxon Rank Sum Test
SD= standard deviation