Characteristics of participants with longitudinal data in SCANS
| Only baseline (n = 17) | Longitudinal cohort (n = 104) | P | |
| Age | 74.9 (8.0) | 69.2 (9.8) | 0.015 |
| Sex, female (%) | 7 (41.2) | 36 (34.6) | 0.802 |
| Education | 0.091 | ||
| Low (%) | 12 (70.6) | 44 (42.7) | |
| Medium (%) | 4 (23.5) | 39 (37.9) | |
| High (%) | 1 (5.9) | 20 (19.4) | |
| Hypertension (%) | 16 (94.1) | 96 (92.3) | 1.000 |
| Diabetes (%) | 5 (29.4) | 17 (16.3) | 0.339 |
| Hypercholesterolaemia (%) | 15 (88.2) | 89 (85.6) | 1.000 |
| Smoking | 0.436 | ||
| Never (%) | 9 (52.9) | 39 (37.5) | |
| Ex (%) | 6 (35.3) | 43 (41.3) | |
| Current (%) | 2 (11.8) | 22 (21.2) | |
| BMI, kg/m2 | 27.7 (3.3) | 26.9 (5.1) | 0.327 |
| Dementia | 4 (23.5) | 20 (19.2) | 0.933 |
| Apathy | 3.0 (1.6) | 2.9 (1.8) | 0.982 |
| Depression | 4.9 (5.0) | 5.8 (5.4) | 0.500 |
| MMSE | 25.6 (3.1) | 27.8 (2.5) | <0.001 |
| PS index | −1.3 (1.0) | −0.9 (0.9) | 0.074 |
| IADL | 6.9 (1.7) | 7.5 (1.1) | 0.075 |
BMI, body mass index; IADL, Instrumental Activities of Daily Living; MMSE, Mini Mental State Examination; PS, processing speed; SCANS, St. George's Cognition and Neuroimaging in Stroke.