Distribution of CD4+ T cell counts between persons classified as long-term (LT), pending/invalid and recent (R) in the LAg and BRAI assays (left and right panels, respectively).

The number of groups indicates the number of persons with CD4+ T cell count measurements within six months after HIV diagnosis. Only significant differences are shown.</p

Determination of recent (R) and long-term (LT) HIV-1 infections by LAg and BRAI without inclusion of clinical data in the analysis.

Determination of recent (R) and long-term (LT) HIV-1 infections by LAg and BRAI without inclusion of clinical data in the analysis.</p

Distribution of subjects with a last negative HIV test prior to HIV diagnosis by LAg and BRAI testing.

Distribution of subjects with a last negative HIV test prior to HIV diagnosis by LAg and BRAI testing.</p

Reclassification of recent (R) and long-term (LT) infections by LAg and BRAI after including clinical data into the testing algorithm.

*R by LAg includes 34 LAg-pending; **R by BRAI includes 14 BRAI-invalid samples with available viral load (VL) results performed within six months of serum collection.</p

Demographic and clinical data of persons with HIV-1 viral loads measured within 6 months after HIV diagnosis classified as long-term or recent by LAg and BRAI.

Demographic and clinical data of persons with HIV-1 viral loads measured within 6 months after HIV diagnosis classified as long-term or recent by LAg and BRAI.</p

Characteristics of the Estonian study population tested by the incidence assays.

Characteristics of the Estonian study population tested by the incidence assays.</p