Table 4.
Parasite densities of P. falciparum and P. vivax infections in different epidemiological strata in Mauritania
| Epidemiological strata | Number of isolates | Parasite density (asexual parasites/µl) | ||
|---|---|---|---|---|
| Geometric mean (95 % CI) | Range | Median | ||
| P. falciparum | ||||
| Sahelian | 8 | 1280 (575–2840) | 280–6400 | 1260 |
| Sahelo-Saharan | 62a | 1220 (936–1600) | 120–16,400 | 1200 |
| Saharan | 1 | – | – | – |
| P. vivax | ||||
| Sahelian | 0 | – | – | – |
| Sahelo-Saharan | 14a | 273 (191–390) | 80–820 | 300 |
| Saharan | 43 | 625 (459–852) | 50–6400 | 680 |
Due to the small numbers of P. ovale and P. malariae infections, data on these Plasmodium species are not presented in the table. See text for findings on these species
aExcluding two children with mixed P. falciparum-P. vivax infections