Table Characteristics of patients and distribution of microbleeds
| Characteristics | Symptomatic intracerebral hemorrhage | ||
|---|---|---|---|
| Yes (n = 21) | No (n = 21) | p Value | |
| BP = blood pressure; GRE = gradient recall-echo. | |||
| Age, y ± SD | 72 ± 7.8 | 71.5 ± 7.2 | |
| M/F | 14/7 | 14/7 | |
| Hypertension | 14 | 14 | |
| Systolic BP, mm Hg ± SD | 164 ± 20 | 156 ± 25 | 0.19 |
| Diastolic BP, mm Hg ± SD | 89 ± 14 | 84 ± 10 | 0.13 |
| Diabetes | 5 | 10 | 0.09 |
| Ischemic heart disease | 8 | 6 | 0.37 |
| Atrial fibrillation | 3 | 1 | 0.3 |
| Previous stroke | 11 | 14 | 0.27 |
| Smoking | 7 | 10 | 0.27 |
| Aspirin users | 21 | 21 | |
| Daily dose, mg | 114 ± 40.6 | 124 ± 40.8 | 0.45 |
| Duration, mo. | 18.6 ± 16.3 | 22.2 ± 22.3 | 0.29 |
| Asymptomatic microhemorrhages on GRE MRI | |||
| Presence | 19 | 7 | <0.001 |
| Mean no. (range) | 13.3 (0–54) | 0.4 (0–2) | <0.001 |
| Distribution | |||
| Lobar region | 16 | 5 | 0.002 |
| Basal ganglia | 13 | 3 | 0.002 |
| Thalamus | 13 | 0 | <0.001 |
| Pons | 10 | 0 | <0.001 |
| Cerebellum | 10 | 0 | <0.001 |