Table 1 Demographic characteristics of individuals with and without microbleeds.
From: Automated detection of cerebral microbleeds on T2*-weighted MRI
Microbleed status | Positive | Negative | Total | Statistic |
|---|---|---|---|---|
Baseline | ||||
N | 44 | 34 | 78 | – |
Age, years: mean (SD) | 76.3 (6.0) | 73.3 (7.0) | 74.5 (6.6) | t = 2.21, p = 0.03 |
Sex/gender, women: N (%) | 20 (45) | 21 (60) | 41 (52) | χ2 = 1.37, p = 0.24 |
Race/ethnicity: N (%) | χ2 = 7.29, p = 0.06 | |||
White | 23 (52) | 11 (32) | 34 (44) | |
Black | 15 (34) | 11 (32) | 26 (33) | |
Hispanic | 4 (9) | 11 (32) | 15 (19) | |
Other | 2 (5) | 1 (3) | 3 (4) | |
Follow up | ||||
N | 14 | 0 | 14 | |
Age, years: mean (SD) | 79.3 (6.1) | – | 79.3 (6.1) | |
Time to follow-up, years: mean (SD) | 4.86 (1.3) | – | 4.86 (1.3) | |
Sex/gender, women: N (%) | 8 (57) | – | 8 (57) | |
Race/ethnicity: N (%) | – | |||
White | 5 (36) | – | 5 (36) | |
Black | 5 (36) | – | 5 (36) | |
Hispanic | 3 (21) | – | 3 (21) | |
Other | 1 (7) | – | 1 (7) | |