Table 1.
Demographic and cognitive scores at three time points.
| Scans at Time 1 (1997-1999) | No scans at Time 1 (1997-1999) | Scans at Time 2 (2002-2003) |
Scans at Time 3 (2003-2009) |
|||
|---|---|---|---|---|---|---|
| n = 40 37 NC/3 MCI |
n = 23 20 NC/3 MCI |
n = 40 23 NC /11 MCI/6 AD |
n = 63 29 NC/25 MCI /9 AD |
n = 40 11 NC /18 MCI/11AD |
n = 63 15 NC/30 MCI/18AD |
|
| Age (years) | 78.6±3.8 | 78.3±4.0 | 84.0±3.9 | 83.8±3.8 | 86.2±3.9 | 86.3±3.8 |
| Gender (F, %) | 26 (65%) | 12 (52.2%) | 26 (65%) | 38 (60.3%) | 26 (65%) | 38 (60.3%) |
| Education (years) | 14.4±3.0 | 14.4±3.9 | 14.4±3.0 | 14.4±3.3 | 14.4±3.0 | 14.4±3.3 |
| Hypertension (%) | 18 (40%) | 7 (30.4%) | 18 (40%) | 25 (39.7%) | 18 (40%) | 25 (39.7%) |
| Diabetes (%) | 6 (15%) | 0 (0%) | 6 (15%) | 6 (9.5%) | 6 (15%) | 6 (9.5%) |
| Heart disease (%) | 8 (20%) | 5 (21.7%) | 8 (20%) | 13 (20.6%) | 8 (20%) | 13 (20.6%) |
| 3MSE scores | 96.3±4.1 | 96.2±3.5 | 93.1±6.0 | 93.4±5.7 | 91.4± 8.0 | 91.8±7.3 |
| Follow-up time | N/A | N/A | 5.4±0.6 | N/A | 2.3±1.6 | 2.3±1.7 |