Table 2.

Coincidence of infection in mother, placenta, and cord's blood, according to nested polymerase chain reaction (nPCR)

	P. vivax	P. falciparum	Both (mixed)	Negative	Total	Summary (n = 84)
Mother			Placenta
P. vivax	11	0	1	8	20
P. falciparum	0	5	0	2	7		(+)	(−)
Both (mixed)	0	0	0	0	0	(+)	17	10
Negative	4	2	0	51	57	(−)	6	51
Total	15	7	1	61	84		23	61
p(X2)* < 0.00
Mother			Cord
P. vivax	2	0	0	18	20
P. falciparum	0	1	0	6	7		(+)	(−)
Both (mixed)	0	0	0	0	0	(+)	3	24
Negative	6	2	0	49	57	(−)	8	49
Total	8	3	0	73	84		11	73
p(X2)* < 0.99
Placenta			Cord
P. vivax	1	1	0	13	15
P. falciparum	1	1	0	5	7		(+)	(−)
Both (mixed)	0	0	0	1	1	(+)	4	19
Negative	6	1	0	54	61	(−)	7	54
Total	8	3	0	73	84		11	73
p(X2)* < 0.73

^*Probability for χ² test.