Characteristics of the study population in 1995–1996
| All participants (n = 1077) | |
|---|---|
| Values are percentages or unadjusted means (SD), or for oxygen saturation the median (range). | |
| *People with cortical infarcts were excluded (n = 33). | |
| Age, years | 72.2 (7.4) |
| Women, % | 51.5 |
| Hypertension,% | 73.0 |
| Diabetes mellitus,% | 7.0 |
| Body mass index, kg/m2 | 26.7 (3.6) |
| Ever smoked cigarettes, % | 66.4 |
| Smoking, pack years | 19.1 (24.0) |
| Total cholesterol, mmol/l | 5.9 (1.0) |
| Haemoglobin, mmol/l | 8.7 (0.7) |
| Left ventricular hypertrophy, % | 2.9 |
| Myocardial infarction, % | 10.3 |
| Oxygen saturation, % SaO2 | 96.5 (88-99) |
| Lacunar infarcts, %* | 21.6 |
| White matter lesion severity | |
| Periventricular, score 0–9 | 2.4 (2.2) |
| Subcortical, ml | 1.4 (2.9) |