Table 1.

Results of image analysis, and estimation of antigen concentrations and type of malaria infection from Plasmodium falciparum positive clinical samples

Sample no.	25	460	463	468	770
Microscopy examination	Positive P. falciparum	Positive P. falciparum	Positive P. falciparum	Positive P. falciparum	Positive P. falciparum
Red decay area at test line	917.11	1206.18	1335.83	1183.03	799.466
Blue decay area at test line	499.20	627.21	663.44	614.65	448.40
Red/blue ratio of clinical samples (ratio_cal)	1.84	1.92	2.01	1.92	1.78
Estimated red/blue ratio at the red decay area (ratio_ref)	1.95	2.13	2.14	2.12	1.83
LFA colour discrimination	Positive P. falciparum	Positive P. falciparum	Positive P. falciparum	Positive P. falciparum	Positive P. falciparum
ELISA results (pLDH: μg mL−1; PfHRP2: ng mL−1)	pLDH: 56.10 PfHRP2: 66.38	pLDH: * PfHRP2: > 312.5	pLDH: 20.12 PfHRP2: > 312.5	pLDH: 22.93 PfHRP2: > 312.5	pLDH: 67.74 PfHRP2: 240.65

* > 5.00 μg mL⁻¹ but < 20.00 μg mL⁻¹