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) |