Table 3.

RDT accuracy for detecting pLDH and HRP2 antigens compared to bead-based assay

		pLDH RDT band	HRP2 RDT band
Sensitivity	% (95% CI) n/N	53.8 (25.1–80.8) 7/13	53.3 (34.3–71.7) 16/30
Specificity	% (95% CI) n/N	99.6 (99.3–99.8) 2624/2635	99.7 (99.3–99.8) 2609/2618
PPV	% (95% CI)	38.9 (17.3–64.3)	64.0 (42.5–82.0)
NPV	% (95% CI)	99.8 (99.5–99.9)	99.5 (99.1–99.7)
Kappa coefficient	% (95% CI)	0.45 (0.23–0.67)	0.58 (0.42–0.73)

CI: Confidence interval; PPV: Positive predictive value; NPV: Negative predictive value