Table 3.
Timing of submicroscopic infection during pregnancy and odds of placental malaria among women without microscopically detected infection
| Timing of submicroscopic infection detection | Any placental malaria | No placental malaria | Odds ratio (95% CI) |
|---|---|---|---|
| No submicroscopic infection |
39/61 (64%) |
184/197 (93%) |
Referent |
| Submicroscopic infection at enrolment visit* |
19/60 (32%) |
9/194 (5%) |
6.9 (2.7-17) |
| Submicroscopic infection at a follow-up visit in the 2nd trimester |
6/61 (10%) |
3/197 (2%) |
1.9 (0.3-12) |
| Submicroscopic infection at a follow-up visit in the 3rd trimester | 7/61 (11%) | 2/197 (1%) | 3.5 (0.5-23) |
*Four women did not have molecular data available from their enrolment visit.
CI: confidence interval.