TABLE 3—
Total Life Expectancy, Life Expectancies With and Without Dementia, and Percentage of Total Life Expectancy Without Dementia in Years at Ages 70–90 Years, by Age and Gender: Adult Changes in Thought Study, Northwestern United States, 1994–2010
| Age, Years | Total Life Expectancy, Rate (95% CI) | Life Expectancy Without Dementia, Rate (95% CI) | Life Expectancy with Dementia, Rate (95% CI) | % of Total Life Expectancy Without Dementia, Age (95% CI) |
| Overall | ||||
| 70 | 17.1 (0.0, 19.1) | 15.1 (0.0, 16.9) | 2.0 (0.0, 2.2) | 88.4 (83.0, 92.3) |
| 75 | 13.4 (12.2, 14.9) | 11.4 (10.4, 12.7) | 2.0 (1.8, 2.1) | 85.5 (79.2, 90.2) |
| 80 | 10.1 (8.9, 11.3) | 8.2 (7.3, 9.2) | 1.9 (1.7, 2.2) | 79.5 (74.5, 83.7) |
| 85 | 7.2 (6.4, 12.3) | 5.6 (4.9, 6.5) | 1.6 (1.5, 1.8) | 76.8 (71.3, 81.5) |
| 90 | 5.5 (4.7, 6.6) | 4.2 (3.5, 5.1) | 1.3 (1.2, 1.5) | 77.4 (70.0, 83.3) |
| Male participants | ||||
| 70 | 16.0 (0.0, 18.0) | 14.3 (0.0, 16.1) | 1.7 (0.0, 1.9) | 89.5 (87.6, 91.1) |
| 75 | 12.3 (10.8, 13.9) | 10.7 (9.5, 12.1) | 1.6 (1.4, 1.8) | 87.3 (81.8, 91.3) |
| 80 | 9.0 (8.1, 10.4) | 7.5 (6.7, 8.6) | 1.5 (1.4, 1.8) | 82.0 (75.4, 87.1) |
| 85 | 6.3 (5.4, 7.4) | 5.0 (4.2, 5.9) | 1.3 (1.1, 1.5) | 79.3 (73.8, 83.9) |
| 90 | 4.5 (3.6, 5.5) | 3.5 (2.8, 4.3) | 1.0 (0.8, 1.2) | 80.1 (74.4, 84.9) |
| Female participants | ||||
| 70 | 18.0 (0.0, 20.1) | 15.7 (0.0, 17.6) | 2.3 (0.0, 2.5) | 87.3 (54.3, 97.5) |
| 75 | 14.3 (12.7, 15.9) | 12.1 (10.8, 13.4) | 2.2 (2.0, 2.5) | 84.2 (79.6, 87.8) |
| 80 | 10.8 (9.6, 12.2) | 8.6 (7.7, 9.8) | 2.1 (1.9, 2.4) | 78.6 (73.3, 83.1) |
| 85 | 7.8 (6.8, 9.1) | 6.0 (5.2, 7.0) | 1.9 (1.6, 2.1) | 75.1 (69.5, 79.9) |
| 90 | 6.0 (5.0, 7.5) | 4.5 (3.7, 5.7) | 1.5 (1.3, 1.8) | 75.0 (69.0, 80.2) |
Note. The sample size was n = 3605.