Rapid Diagnosis of Malaria

Table 2

Performance characteristics of the BinaxNOW^{𝟎𝐱𝟎𝟎𝟎𝐚𝐞} malaria kit for Plasmodium falciparum and P. vivax (data obtained from package insert).

	Plasmodium falciparum	Plasmodium vivas
Parasitemia level (per 𝜐L)	Percent sensitivity (95% confidence interval)	Percent sensitivity (95% confidence interval) %)
>5000	99.7% (98%–100%)	93.5% (91%–96%)
1000–5000	99.2% (96%–100%)	81.0% (76%–85%)
500–1000	92.6% (76%–99%)	47.4% (36%–59%)
100–500	89.2% (75%–97%)	23.6% (17%–31%)
0–100	53.9% (37%–70%)	6.2% (3%–12%)
Overall	95.3% (93%–97%)	68.9% (66%–72%)
Specificity	94.2% (93%–95%)	99.8% (99%–100%)
Venous versus fingerstick samples	100% (96–100%) versus 98.8% (94–100%)	81.6% (74–87%) versus 80.6% (73–87%)
Specificity	94.7% (93–96%) versus 90.4% (88-92%)	99.7% (99–100%) versus 99.5% (99–100%)