Meta-rate of undetected dementia by location of study
| Location of study | Number of studies | Number of patients | Number of cases | Meta-prevalence (% (95% CI)) |
|---|---|---|---|---|
| Country* | ||||
| UK | 3 | 664 | 271 | 43.1 (34.6 to 52.0) |
| Those in Europe except UK | 8 | 1057 | 661 | 58.2 (48.3 to 67.5) |
| USA | 8 | 1613 | 934 | 60.7 (51.7 to 69.0) |
| Canada | 2 | 39 712 | 28 093 | 70.7 (70.3 to 71.2) |
| Those in Asia | 2 | 400 | 373 | 93.2 (90.3 to 95.3) |
| Setting | ||||
| Community-based only | 15 | 2816 | 1776 | 63.7 (54.8 to 71.8) |
| Residential or nursing care only | 5 | 40 249 | 28 313 | 50.9 (29.5 to 71.9) |
| Population study (community and/or residential) | 3 | 381 | 243 | 65.8 (49.7 to 79.0) |
*The meta-rate from the 11 studies from Europe is 53.7% (44.0% to 63.1%) and from North America is 62.9% (54.4% to 70.6%).