Table 1 Studies reporting anaemia in older persons using WHO criteria
From: Prevalence of anaemia in older persons: systematic review
| Â | Number of | Percent of total | ||
|---|---|---|---|---|
Size range (individuals) | Studies | Patients | Studies | Patients |
10,000–20,000 | 2 | 30,331 | 5.9 | 35.5 |
5,000–10,000 | 3 | 21,590 | 8.8 | 25.3 |
2,500–5,000 | 3 | 12,373 | 8.8 | 14.5 |
1,000–2,500 | 10 | 14,867 | 29.4 | 17.4 |
100–1,000 | 16 | 6,248 | 47.1 | 7.3 |