TABLE 2.

Results of colorimetric assay versus nested PCR for the diagnosis of P. falciparum malaria in 150 febrile travelers

Malaria speciesa	No. of samples with the indicated results by the following assay:
	Nested PCRb	Digene assayc
P. falciparum	59 Pf	59+
	3 Pf-Po	3+
	1 Pf-Pm	1+
Non-P. falciparum	50 Pv	46−, 4+
	13 Po	13−
Negative	24 Neg	24−
Total	150	150

^aMalaria species are classified according to the diagnosis obtained from the nested PCR result. 

^bPf, P. falciparum; Pm, P. malariae; Po, P. ovale; Pv, P. vivax; Neg, negative. 

^c+, positive; −, negative.