Table 1.
Demographic and clinical data at study entry.
| Variable | Alzheimer (N = 34) | Vascular (N = 46) |
|---|---|---|
| Age (in years) mean ± SD (range) | 73.23 ± 7.72 (60–87) | 67.41 ± 9.08 (50–86) |
|
| ||
| Sex | ||
| Male | 11 (32%) | 28 (61%) |
| Female | 23 (68%) | 18 (39%) |
|
| ||
| Educational Attainment (in years) mean ± SD (range) | 4.30 ± 3.99 (0–16) | 4.76 ± 4.06 (0–16) |
|
| ||
| Vascular risk factors | ||
| None | 28 (82%) | — |
| Hypertension | 04 (12%) | 33 (72%) |
| DM | 02 (6%) | 04 (9%) |
| Hypertension + DM | 00 (0%) | 09 (20%) |
|
| ||
| Family history | ||
| No | 18 (53%) | 24 (52%) |
| Yes | 11 (32%) | 08 (17%) |
| Uncertain | 05 (15%) | 14 (30%) |
|
| ||
| Duration of follow-up (in months) mean ± SD (range) | 11.01 ± 6.19 (3–25) | 11 ± 6.31 (3–27) |
|
| ||
| Neurological Examination | ||
| Normal | 34 (100%) | |
| Neurological sign (hemiparesis, lower facial | ||
| weakness, Babinski sign, sensory deficit, | — | 25 (59%) |
| hemianopia, and dysarthria)* | ||
| Other discrete symptoms- | 19 (41%) | |
| (mild asymmetric deep tendon reflex, tremor) | ||
|
| ||
| Hachinski ischemic score mean ± SD (range) | 2.90 ± 0.6 (1–4) | 9.13 ± 2.61 (5–19) |
|
| ||
| CT scans: | ||
| Normal | 19 (56%) | — |
| Mild diffuse atrophy AND/OR ↑ ventricles | 15 (44%) | — |
| Atrophy + leukoaraiosis | — | 12 (26%) |
| Focal abnormality | — | 34 (74%) |
DM: Diabetes Mellitus; *NINDS-AIREN suggested symptoms.