Demographic data, vascular risk factors, and MR imaging findings in patients with and those without microbleeds
| Data | Whole-Brain MB | P Value | Pontocerebellar MB | P Value | ||
|---|---|---|---|---|---|---|
| Present (n = 98) | Absent (n = 66) | Present (n = 46) | Absent (n = 118) | |||
| Demographic data | ||||||
| Age | 64.9 ± 9.3 | 64.2 ± 9.1 | .62* | 65.5 ± 10.3 | 64.2 ± 8.8 | .43* |
| Male/Female (%) | 60.2/39.8 | 56.1/43.9 | .71† | 67.4/32.6 | 55.1/44.9 | .21† |
| Risk factors | ||||||
| Diabetes (%) | 25.5 | 24.2 | >.99† | 23.9 | 25.4 | >.99† |
| Smoking (%) | 30.6 | 31.8 | >.99† | 37.0 | 28.8 | .41† |
| Cardiac disease (%) | 7.1 | 25.8 | <.01† | 6.5 | 17.8 | .09† |
| Cholesterol level (mg/dL) | 185.2 ± 36.0 | 188.0 ± 48.2 | .67* | 187.7 ± 40.0 | 185.7 ± 41.8 | .78* |
| Previous stroke(%) | 33.7 | 21.2 | .12† | 34.8 | 26.3 | .37† |
| Imaging findings | ||||||
| Large-artery disease (%) | 24.5 | 48.5 | <.01† | 23.9 | 38.1 | .12† |
| Leukoaraiosis(%)‡ | 50.0 | 9.1 | <.01† | 63.0 | 22.0 | <.01† |
| ICH (%) | 37.8 | 21.2 | .04† | 47.8 | 24.6 | <.01†S |
Note.—The mean ± SD was used to compare the non-MB and MB groups.
* Student t test.
† Pearson χ2 test.
‡ Leukoaraiosis includes only early confluent or confluent abnormalities.