Table 3.
Age-specific rates for dementia per 1000 women per year based on data from Clinical Practice Research Datalink (CPRD) and Hospital Episode Statistics (HES)
| Age (years) | (A) Using CPRD data | (B) Using HES data based on the date of first mention of dementia in HES | (C) Using HES data assuming that the date of onset of dementia is 1.6 years before the first mention of dementia in HESa | |||
|---|---|---|---|---|---|---|
| N | Rate (95% CI) | N | Rate (95% CI) | N | Rate (95% CI) | |
| 55–59 | 51 | 0.12 (0.09–0.16) | 30 | 0.10 (0.07–0.14) | 37 | 0.13 (0.09–0.17) |
| 60–64 | 145 | 0.37 (0.31–0.44) | 104 | 0.27 (0.22–0.32) | 139 | 0.41 (0.35–0.49) |
| 65–69 | 319 | 1.18 (1.06–1.31) | 207 | 0.76 (0.66–0.87) | 247 | 1.12 (0.99–1.27) |
| 70–74 | 488 | 3.53 (3.23–3.85) | 305 | 2.37 (2.12–2.65) | 308 | 3.48 (3.12–3.90) |
| 75–79 | 357 | 8.06 (7.27–8.95) | 173 | 6.96 (5.99–8.07) | 94 | 8.54 (6.98–10.45) |