Table 2.
Frequency of infection among pregnant women attending antenatal clinics and delivery units.
| Infection in peripheral blood | Infection in placental blood | |||
|---|---|---|---|---|
| Total | ANC | Delivery | ||
| ( n = 787) | ( n = 458) | ( n = 329) | ( n = 329) | |
| Microscopy: n (%) | 33 (4.2) | 33 (7.2) | 0 (0) | 2 (0.6) |
| P. falciparum | 26 (3.3) | 26 (5.7) | 0 (0) | 2 (0.6) |
| P. vivax | 6 (0.8) | 6 (1.3) | 0 (0) | 0 (0) |
| Mixed P.F and P.V | 1 (0.1) | 1 (0.2) | 0 (0) | 0 (0) |
| nPCR: n (%) | 42 (5.3)∗ | 37 (8.1) | 5 (1.5) | 9 (2.7) |
| P. falciparum | 33 (4.2) | 28 (6.1) | 5 (1.5) | 8 (2.4) |
| P. vivax | 6 (0.8) | 6 (1.3) | 0 (0) | 1 (0.3) |
| P. malarie | 1 (0.1) | 1 (0.2) | 0 (0) | 0 (0) |
| Mixed P.F and P.V | 2 (0.2) | 2 (0.4) | 0 (0) | 0 (0) |
| Submicroscopic infections: n (%) | 9 (1.1) | 4 (0.9) | 5 (1.5) | 7 (2.1) |
| Parasitaemia | ||||
| Median | 2480 | 180 | ||
| (IQR) | (1130-4018) | (n.a) | ||
IQR: interquartile range; SD: standard deviation; n (sample size). ∗A total of 46 infected pregnant women were detected; 42 were positive in peripheral blood by nPCR; and 9 were positive in placental blood, from those 5 were also positive in peripheral blood.