Table 1.
Summary information for the brain bank subset (n = 14) and reference cohort (n = 499). Phenotypic, lifestyle and clinical information is provided for both groups
| Characteristics | Study group |
Reference group |
||
|---|---|---|---|---|
|
N = 14 |
N = 499 |
|||
| n (%) | Mean (SD) | n (%) | Mean (SD) | |
| Sex | ||||
| Female | 5 (36%) | 248 (50%) | ||
| Male | 9 (64%) | 251 (50%) | ||
| Age at blood sample (years) | 77.9 (1.7) | 79.3 (0.6) | ||
| Smoking status | ||||
| Current | 5 (36%) | 19 (4%) | ||
| Former | 7 (50%) | 211 (42%) | ||
| Never | 2 (14%) | 269 (54%) | ||
| Pack years smoked | 53 (40) | 4 (15) | ||
| Unknown | 5 | 193 | ||
| Alcohol units per week | 14 (15) | 11 (11) | ||
| Unknown | 141 | |||
| Body mass index (kg/m2) | 25.5 (5.1) | 27.3 (4.5) | ||
| Unknown | 1 | |||
| HDL cholesterol (mmol/l) | 1.49 (0.4) | 1.48 (0.4) | ||
| Unknown | 16 | |||
| Brain pH | 6.1 (0.2) | |||
| Time to death (years) | 2.4 (1.5) | |||
| Age at death (years) | 80.3 (1.6) | |||
| ApoE genotype | ||||
| E2/E3 | 1 (7%) | |||
| E3/E3 | 9 (64%) | |||
| E3/E4 | 4 (29%) | |||