Age range (y) | |||||
41–50 | 51–60 | 61–70 | 71–80 | 81–90 | |
Number of studies | 2 | 2 | 6 | 5 | 4 |
Prevalence range | 1.5–8.1% | 4.0–8.4% | 7.6–21% | 12–30% | 25–40% |
*Extrapolated from figure 2 in the original review and confirmed by author.
*Extrapolated from figure 2 in the original review and confirmed by author.