| |
Total (N specimens)
|
During pregnancy
|
At delivery
|
|---|
|
1st trimestera
|
3rd trimestera
|
Peripheral blood
|
Placental blood
|
|---|
|
Positivity rates in specimens tested with uRDT, cRDT and qPCR
|
|
cRDT
|
11.6% (109/942)
|
15.7% (50/319)
|
10.6% (26/246)
|
8.2% (15/183)
|
9.3% (18/194)
|
|
uRDT
|
16.2% (153/942)
|
24.8% (79/319)
|
13.4% (33/246)
|
11.5% (21/183)
|
10.3% (20/194)
|
|
qPCR
|
18.3% (172/942)
|
33.5% (107/319)
|
15.0% (37/246)
|
9.8% (18/183)
|
5.2% (10/194)
|
|
Positivity rates in specimens tested with both microscopy and qPCR
|
|
Microscopy
|
3.7% (34/926)
|
5.2% (16/310)
|
2.1% (5/244)
|
2.2% (4/180)
|
4.7% (9/192)
|
|
Sub-microscopic infectionb
|
16.7% (149/992)
|
32.0% (94/294)
|
13.8% (33239)
|
8.0% (14/176)
|
4.4% (8/183)
|
- aMean (SD) gestational age (weeks of gestation): 11.7 (3) wg for specimens collected in the 1st trimester, 33 (3.2) wg for specimens collected in the 3rd trimester
- bqPCR positive but thick blood smear negative specimens
