Table 3 Row data showing positive cord blood samples as detected by qPCR, RDT and/or ELISA (n = 20).

Subject categorization based on qPCR	Subject ID	Cord blood						Maternal blood
Subject categorization based on qPCR	Subject ID	LM results	RDT results	ELISA results	ELISA mOD	ELISA Ag index	qPCR PD	Peripheral qPCR PD	Placental qPCR PD	Placental histology
qPCR positive	S44	Neg	Neg	Neg	0.048	0.2	150.4	143.8	22.4	Past infection
	S60	Neg	Neg	Neg	0.070	0.3	2.3	22.1	1.2	Past infection
	S78	Neg	Neg	Neg	0.130	0.5	26.1	7.0	48.2	Past infection
	S89	Neg	Neg	Neg	0.164	0.7	0.2	10150.8	9275.2	Active infection
	S97	Neg	Neg	Neg	0.038	0.2	1.0	0.0	0.0	Past infection
	S102	Neg	Neg	Neg	0.042	0.17	0.6	1178.0	39.0	Past infection
	S107	Neg	Neg	Neg	0.063	0.2	0.3	256.2	2909.1	Active infection
	S116	Neg	Neg	Neg	0.039	0.2	309.7	0.0	NA	Active infection
	S127	Neg	Neg	Neg	0.070	0.3	0.3	15.0	1.0	Past infection
	S129	Neg	Neg	Neg	0.051	0.21	340.5	111.0	248.5	Active infection
	S151	Neg	Pos	Pos	3.280	13.45	5.3	1593.6	673.0	Active infection
	S170	Neg	Neg	Neg	0.045	0.16	0.7	16.3	0.5	Past infection
	S173	Neg	Neg	Neg	0.043	0.18	34.0	733.7	456.0	Active infection
	S201	Neg	Pos	Pos	3.240	13.32	79.8	40.4	93.2	Active infection
	S229	Neg	Neg	Neg	0.137	0.55	2.2	625.3	550.1	Active infection
	S251	Neg	Neg	Neg	0.052	0.21	4.4	2.2	11.0	Past infection
qPCR negative	S33	Neg	Pos	Pos	3.930	16.6	Neg	1489.2	14341.8	Active infection
	S91	Neg	Neg	Pos	0.316	1.3	Neg	8626.0	13218.4	Active infection
	S100	Neg	Neg	Pos	0.350	1.4	Neg	17998.7	15400.0	Active infection
	S112	Neg	Neg	Pos	0.302	1.2	Neg	32633.0	5448.4	Active infection

The data includes the mean optical density and the derived antigen index by ELISA, placental histology results and, parasite densities in cord, maternal peripheral and placental blood. qPCR, quantitative real-time Polymerase Chain Reaction; LM, Light Microscopy; RDT, rapid diagnostic test; ELISA, Enzyme-Linked ImmunoSorbent Assay; mOD, mean optical density; Ag index, Antigen index obtained by dividing the mOD of each sample by the cut-off value; PD, parasite density (number of parasites/µL) as calculated by qPCR; ID, identification; NA, Not available; Pos, positive (in bold); Neg, negative.

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