TABLE 1.
Findings with the Cell-Dyn 4000 hematology analyzer for 113 patients with or without malaria infectiona
| Plasmodium spp. and parasitemia level | Total no. of patients | No. (%) of patients with: |
||
|---|---|---|---|---|
| Depolarizing monocytes | Pseudoreticulocytosis | Either or both abnormalities | ||
| P. falciparum overall | 46 | 26 (57) | 23 (50) | 33 (72) |
| Parasitemia, ≥0.5% | 25 | 17 (68) | 22 (88) | 24 (96) |
| Parasitemia, <0.5% | 21 | 9 (43) | 1 (5) | 9 (43) |
| P. vivax or P. ovale | 12 | 3 (25) | 0 (0) | 3 (25) |
| Plasmodium spp. overall | 58 | 29 (50) | 23 (40) | 36 (62) |
| None | 55 | 2 (4)b | 0 (0) | 2 (4)b |
a
Findings with the Cell-Dyn 4000 hematology analyzer are for patients whose malaria or lack of malaria was determined by routine malaria analysis.
b
One of the two patients without malaria in whom depolarizing monocytes were observed had been treated for malaria the previous month.