Table 4 Maternal and foetal outcomes in singleton, live births from women with only submicroscopic infection compared to women without infection during pregnancy, at delivery or in the placenta
|  | Only submicroscopic infection during pregnancy (N = 35) | No infection during pregnancy (N = 228) | p-value | Submicroscopic infection at delivery (N = 7) | No infection at delivery (N = 267) | p-value | Submicroscopic placental malaria (N = 52) | No placental malaria (N = 198) | p-value |
|---|---|---|---|---|---|---|---|---|---|
Mean birth weight in kg (95% CI) | 2.9 (2.7-3.1) | 2.8 (2.78-2.90) | 0.7 | 3.2 (2.9-3.6) | 2.8 (2.8-2.9) | 0.3 | 2.8 (2.6-2.9) | 2.8 (2.8-2.9) | 0.5 |
Low birth weight (%) | 5 (14%) | 40 (17%) | 0.6 | 1 (11%) | 42 (16%) | 1.0 | 12 (23%) | 31 (16%) | 0.3 |
Mean gestational age in weeks (95% CI) | 39 (37–40) | 39 (38-39) | 1.0 | 40 (39-41) | 39 (38-39) | 0.3 | 39 (38-40) | 39 (38-39) | 0.8 |
Preterm delivery (%) | 2 (6%) | 40 (17%) | 0.1 | 0 (0%) | 35 (13%) | 0.6 | 6 (12%) | 25 (13%) | 0.8 |
Small for gestational age (%) | 2 (6%) | 29 (13%) | 0.4 | 0 (0%) | 28 (10%) | 1.0 | 8 (15%) | 20 (10%) | 0.3 |
Mean maternal [Hb] in g/dL at delivery (95% CI) | 12.9 (12.4-13.3) | 12.9 (12.7-13.1) | 1.0 | 12.7 (11.0-14.3) | 12.9 (12.8-13.1) | 0.6 | 12.9 (12.5-13.3) | 12.9 (12.7-13.1) | 0.9 |
Maternal anemia at delivery (%) | 3 (9%) | 21 (9%) | 1.0 | 1 (14%) | 23 (9%) | 0.5 | 3 (6%) | 16 (8%) | 0.8 |