| Number | % |
---|---|---|
Year of publication | ||
 Before 2000 | 4 | 21% |
 In or after 2000 | 15 | 79% |
Authors | ||
 From USA | 10 | 53% |
 From Japan, Canada and Belgium | 7 | 37% |
 From China and South Africa | 2 | 10% |
Definition of elderly | ||
 People ≥ 65 years old | 4 | 22% |
 People ≥ 60 years old | 1 | 5% |
 Old people living in long-term care facilities | 5 | 26% |
 General concept | 9 | 47% |
Study aim | ||
 Cost-effectiveness of case-finding strategy | 4 | 21% |
 Strategy in long-term care facilities | 5 | 26% |
 Othersa | 10 | 53% |
Study method | ||
 Qualitative review | 14 | 74% |
 Quantitative analysis | 5 | 26% |