Table 1.
Description of the Complete and Full Analysis Populations.
| Complete Population (n = 16 469) | Analyzed Population (n = 14 522) | |
|---|---|---|
| Age, mean (SD) | 74.41 (10.29) | 74.21 (10.13) |
| Years education, mean (SD) | 14.65 (3.58) | 14.67 (3.52) |
| Sex | ||
| Male | 42.52% | 42.92% |
| Female | 57.48% | 57.08% |
| Residence | ||
| Single family residence | 87.19% | 87.93% |
| Retirement community | 5.88% | 5.80% |
| Assisted living/boarding home/adult family home | 2.82% | 2.66% |
| Skilled nursing facility/nursing home | 1.67% | 1.32% |
| Other | 2.05% | 2.08% |
| Unknown | 0.39% | 0.22% |
| Diagnosis | ||
| Cognitively normal | 36.78% | 36.34% |
| MCI | 18.71% | 22.79% |
| Possible AD | 6.12% | 6.03% |
| Probable AD | 27.35% | 27.76% |
| Other dementia | 11.04% | 7.07% |
| Outcome measures | ||
| Mean CDR mean (SD) | 0.63 (0.74) | 0.61 (0.70) |
| Mean MMSEa mean (SD) | 24.68 (6.52) | 24.63 (6.47) |
| Mean MMSEa with follow-up mean (SD) | 24.64 (6.58) | 24.67 (6.47) |
| Mean FAQ mean (SD) | 0.84 (1.03) | 0.81 (1.00) |
| Mean NPI-Q mean (SD) | 3.09 (4.34) | 3.01 (4.25) |
Abbreviations: AD, Alzheimer’s disease; MMSE, minimental state examination; MCI, mild cognitive impairment; CDR, clinical dementia rating scale; FAQ, functional activities questionnaire; NPI-Q, neuropsychiatric inventory questionnaire; SD, standard deviation.
a Normal MMSE scale, not reversed.