Table 1.

AUC Values for Classifying Individuals as Recently Infected With P. vivax

	Single-Antigen Classification								LDA
	1 mo		3 mo		6 mo		9 mo		9 mo
Protein	Thai	Brazil	Thai	Brazil	Thai	Brazil	Thai	Brazil	Thai	Brazil
RBP2b (IgG)	0.825	0.880	0.856	0.823	0.857	0.823	0.849	0.818	NA	NA
PVX_099980	0.621	0.516	0.601	0.517	0.606	0.529	0.607	0.537	0.855	0.822
PVX_096995	0.551	0.625	0.537	0.591	0.548	0.597	0.549	0.593	0.853	0.822
PVX_112670	0.595	0.590	0.579	0.600	0.585	0.594	0.567	0.589	0.848	0.823
PVX_003770	0.613	0.734	0.573	0.660	0.587	0.644	0.602	0.633	0.852	0.827
PVX_082700	0.665	0.570	0.653	0.613	0.662	0.602	0.641	0.596	0.849	0.828
PVX_097680	0.590	0.551	0.577	0.544	0.593	0.535	0.593	0.529	0.851	0.819
PVX_097625	0.664	0.680	0.647	0.663	0.655	0.655	0.671	0.665	0.856	0.835
PVX_082670	0.786	0.617	0.745	0.650	0.742	0.639	0.747	0.635	0.871	0.827
PVX_082735	0.786	0.774	0.766	0.730	0.758	0.716	0.743	0.705	0.863	0.845
PVX_097720	0.655	0.586	0.629	0.572	0.632	0.568	0.628	0.573	0.858	0.821
PVX_000930	0.709	0.614	0.686	0.634	0.688	0.649	0.673	0.654	0.863	0.835
PVX_094255B	0.628	0.577	0.617	0.545	0.626	0.562	0.631	0.560	0.851	0.819
AAY34130.1	0.622	0.518	0.618	0.519	0.617	0.541	0.597	0.540	0.851	0.819
PVX_110810A	0.580	0.505	0.581	0.475	0.585	0.493	0.554	0.496	0.847	0.818
PVX_087885A	0.628	0.636	0.611	0.602	0.625	0.591	0.615	0.591	0.851	0.823
PVX_094255A	0.673	0.534	0.669	0.555	0.676	0.570	0.675	0.581	0.856	0.821
PVX_092995	0.639	0.584	0.629	0.601	0.644	0.595	0.640	0.599	0.858	0.823
PVX_087885B	0.799	0.733	0.760	0.725	0.771	0.717	0.771	0.715	0.876	0.843
KMZ83376.1	NT	0.623	NT	0.594	NT	0.612	NT	0.617	NT	0.822
PVX_095055	NT	0.616	NT	0.607	NT	0.614	NT	0.624	NT	0.827

LDA (2-antigen combination) was performed using the 9-month classification period with RBP2b IgG plus IgM to 1 of the listed antigens.

Abbreviations: AUC, area under the curve; IgM, immunoglobulin M; LDA, linear discriminant analysis; NA, not applicable; NT, not tested.