Table 2.
Neuroimaging brain findings and type of stroke in demented and nondemented patients
| Neuroimaging findings (n = 81) | Demented group (n = 17) | Nondemented group (n = 64) | P-value |
|---|---|---|---|
| Type of stroke | |||
| Ischemic stroke (n = 68) | 13 (76.5%) | 55 (85.9%) | 0.670 |
| Hemorrhagic stroke (n = 13) | 4 (23.5%) | 9 (14.1%) | 0.020 |
| Size of infarction | |||
| Large size of infarction (n = 10) | 5 (29.4%) | 5 (7.8%) | 0.001 |
| Small size infarctions (n = 32) | 6 (35.3%) | 26 (40.6%) | 0.870 |
| Lacunar infarctions (n = 26) | 6 (35.3%) | 20 (31.2%) | 0.750 |
| Circulatory system | |||
| Anterior circulation (n = 46) | 12 (70.6%) | 34 (53.1%) | 0.050 |
| Posterior circulation (n = 9) | 1 (5.9%) | 8 (12.2%) | 0.080 |
| Undefinite (n = 13) | 4 (23.5%) | 9 (14.1%) | 0.056 |
| Level of infarction | |||
| Superficial infarction (n = 13) | 3 (17.6%) | 10 (15.6%) | 0.082 |
| Deep infarction (n = 55) | 10 (58.8%) | 45 (70.3%) | 0.088 |
| Cerebellar hemorrhage (n = 5) | 1 (5.9%) | 4 (6.3%) | 0.75 |
| Cerebral hemorrhage (n = 8) | 3 (17.6%) | 5 (7.8%) | 0.05 |
| Lateralization | |||
| Dominant hemisphere (n = 20) | 7 (41.2%) | 13 (20.3%) | 0.01 |
| Nondominant hemisphere (n = 61) | 10 (58.8%) | 51 (79.7%) | 0.082 |
| Mechanism of stroke | |||
| Large artery atherosclerosis (n = 27) | 7 (41.2%) | 20 (31.2%) | 0.01 |
| Cardioembolic (n = 4) | 2 (11.8%) | 2 (3.1%) | 0.001 |
| Small artery atherosclerosis or lacunar (n = 23) | 4 (23.5%) | 19 (29.7%) | 0.088 |
| Infarcts of undetermined cause (n = 16) | 0 | 16 (25%) | <0.0001 |
| Hemorrhagic (n = 13) | 4 (23.5%) | 9 (14.1%) | 0.01 |
Notes: Data are expressed as number and percentage; significance is between demented and nondemented groups; significance is set at p-value < 0.05.