Prevalence of cortical atrophy and white matter lesions on CT scans of the brain in 2000–2001, presented by birth cohort
| Born in 1908* (n=2) | Born in 1914† (n=19) | Born in 1918‡ (n=80) | Born in 1922§ (n=105) | Born in 1930¶ (n=163) | Total sample (n=369) | |
| Temporal lobe atrophy, n (%) | 2 (100) | 17 (89.5) | 57 (71.3) | 57 (54.3) | 52 (31.9) | 185 (50.1) |
| Frontal lobe atrophy, n (%) | 1 (50) | 17 (89.5) | 57 (71.3) | 62 (59.0) | 60 (36.8) | 197 (53.4) |
| Parietal lobe atrophy, n (%) | 1 (50) | 15 (78.9) | 42 (52.5) | 49 (46.7) | 27 (16.6) | 134 (36.3) |
| Occipital lobe atrophy, n (%) | 1 (50) | 12 (63.2) | 33 (41.3) | 27 (25.7) | 10 (6.1) | 83 (22.5) |
| White matter lesions, n (%) | 2 (100) | 15 (78.9) | 56 (70.0) | 73 (69.5) | 66 (40.5) | 212 (57.5) |
*Aged 92–93 years.
†Aged 86–87 years.
‡Aged 82–83 years.
§Aged 78–79 years
¶Aged 70–71 years