Appendix Table 3.
Frequencies and Percentages for Cognitive Impairment without Dementia Subtypes*
| Cognitive Impairment without Dementia Diagnosis after Initial Assessment | Frequency, n (%) | Mean Age (SD), y | Mean Education (SD), y | Mean Mini-Mental State Examination Score (SD) | Male Sex, % | Mean Dementia Severity Rating Scale Score (SD) |
|---|---|---|---|---|---|---|
| Prodromal Alzheimer disease | 94 (39.0) | 83.35 (6.99) | 8.90 (5.06) | 22.12 (4.41) | 47.9 | 5.70 (5.31) |
| Medical conditions | 55 (22.8) | 80.62 (7.05) | 8.95 (4.03) | 23.39 (3.79) | 34.5 | 7.11 (5.53) |
| Stroke | 34 (14.1) | 80.50 (6.72) | 9.94 (4.07) | 23.53 (4.52) | 64.7 | 5.91 (5.25) |
| Vascular cognitive impairment without dementia | 20 (8.3) | 79.45 (6.53) | 9.90 (3.95) | 24.50 (2.89) | 50.0 | 6.09 (5.04) |
| Depression and other psychiatric disorders | 10 (4.1) | 79.00 (3.83) | 8.70 (4.24) | 23.20 (1.93) | 60.0 | 8.33 (6.24) |
| Neurologic conditions | 10 (4.1) | 82.20 (6.18) | 9.60 (3.81) | 26.00 (3.46) | 70.0 | 7.38 (5.63) |
| Amnestic mild cognitive impairment | 4 (1.7) | 79.75 (9.22) | 11.50 (3.32) | 25.50 (1.00) | 50.0 | 11.00 (4.24) |
| Past or current alcohol abuse | 6 (2.5) | 77.33 (2.88) | 6.33 (5.72) | 23.60 (3.85) | 66.7 | 8.50 (7.40) |
| Low baseline intellect or presence of learning disorders | 8 (3.3) | 79.00 (8.05) | 3.00 (3.21) | 17.25 (4.59) | 37.5 | 2.86 (2.97) |
| Total | 241 (100.0) | 81.42 (6.91) | 8.95 (4.59) | 22.94 (4.24) | 49.4 | 6.40 (5.41) |
*
Values for n are unweighted. Percentages are unweighted and are calculated within columns. Unweighted percentages do not represent the population. Some subtypes are grouped together because of small sample sizes.