Table 1: Baseline characteristics of patients by demographic group.
| Young old (65-74) (N = 33) | Old old (75-84) (N = 33) | Oldest old (> 85) (N = 34) | P value comparing 3 groups | P value young old vs. oldest old | P value old old vs. oldest old | |
| Mean age (SD) | 70.2 (2.62) | 80.3 (2.28) | 88.6 (3.30) | < 0.001 | < 0.001 | < 0.001 |
|
Gender - Female (%) - Male (%) |
9 (27%) 24 (73%) |
11 (33%) 22 (66%) |
22 (65%) 12 (35%) |
0.004 |
0.003 |
0.02 |
|
Function - mRS - 0 - 1-2 - 3 and above |
27 (82%) 6 (18%) 0 (0%) |
20 (61%) 9 (27%) 4 (12%) |
13 (38%) 15 (44%) 6 (18%) |
0.003
|
< 0.001
|
0.19
|
|
Living situation Home - Residential care - low level - Residential care - high level |
33 (100%) 0 0 |
30 (91%) 2 (6%) 1 (3%) |
24 (71%) 6 (18%) 4 (12%) |
0.004
|
0.001
|
0.13
|
| Prior stroke (%) | 7 (21%) | 4 (12%) | 5 (15%) | 0.583 | ||
| Atrial fibrillation or flutter (%) | 8 (24%) | 12 (36%) | 19 (56%) | 0.008* | 0.02 | 0.09 |
| Ischaemic heart disease (%) | 9 (27%) | 13 (39%) | 11 (32%) | 0.58 | ||
| Cardiac failure (%) | 3 (9%) | 5 (15%) | 8 (23%) | 0.27 | ||
| Hypertension (%) | 23 (70%) | 25 (76%) | 32 (94%) | 0.01* | 0.01 | 0.05 |
| Dyslipidaemia (%) | 18 (55%) | 15 (45%) | 15 (44%) | 0.65 | ||
| Diabetes mellitus (%) | 12 (36%) | 7 (21%) | 6 (18%) | 0.17 | ||
|
Smoker (%) - Never - Current - Ex |
10 (30%) 7 (21%) 16 (49%) |
22 (67%) 2 (6%) 9 (27%) |
23 (68%) 1 (3%) 10 (29%) |
0.006 | 0.004 | 1.0 |
| Ever smoked | 23 (70%) | 11 (33%) | 11 (32%) | 0.002 | 0.003 | 1.0 |
| Any stroke risk factor | 31 (94%) | 31 (94%) | 34 (100%) | 0.39 | ||
| 3 or more risk factors | 21 (64%) | 15 (45%) | 22 (65%) | 0.20 | ||
|
Anticoagulant (%) - Warfarin - DOAC - Any - DOAC underdosed - Subtherapeutic INR - Warfarin or DOAC held |
4 4 8 (24%) 2 2 0 |
4 4 8 (24%) 0 3 1 |
7 2 9 (26%) 0 2 1 |
0.97† |
* P value for trend; † Any use.