| With CMBs | Without CMBs | Total | |
| No (%) | 218 (11.1) | 1744 (88.9) | 1962 |
| Males (n (%)) | 118 (54.1) | 702 (40.3) | 820 |
| Females (n (%)) | 100 (45.9) | 1042 (59.8) | 1142 |
| Age (y) (mean (SD)) | 77 (6) | 76 (6) | 76 (6) |
| Hypertension (n (%)) | 184 (84.4) | 1361 (78.0) | 1545 (78.8) |
| Diabetes (T2DM) (n (%)) | 35 (16.1) | 190 (10.9) | 225 (11.5) |
| Ever smoker (n (%)) | 139 (63.8) | 1051 (60.3) | 1190 (60.7) |
| Self-reported history of stroke or TIA (n (%)) | 30 (13.9) | 139 (8.0) | 169 (8.7) |
| ApoE genotype (n (%))*† | |||
| 22, 23 | 22 (10.3) | 173 (10.1) | 195 (10.1) |
| 33 | 132 (61.7) | 1083 (63.5) | 1215 (63.3) |
| 34 | 51 (23.8) | 419 (24.6) | 470 (24.5) |
| 44 | 9 (4.2) | 31 (1.8) | 40 (2.1) |
*Four participants did not give consent for genotyping; 44 individuals with 24 were excluded.
†2 vs 0, 1 allele p value = 0.01, age and sex adjusted.
T2DM, type 2 diabetes mellitus; TIA, transient ischaemic attack.