Table 3. Diagnostic performance of Visitect CD4 LFA at different CD4 cut-offs of the reference test.

CD4 range (n; %)	Sensitivity (%), 95% CI	Specificity (%), 95% CI
<100 (108; 15.3%)	98.1 [93.5–99.8]	68.0 [64.1–71.7]
100–200 (113; 16.0%)	92.0 [85.4–96.3]	67.4 [63.5–71.2]
<200 (221; 31.2%)	95.0 [91.3–97.5]	81.9 [78.2–85.2]
<350 (417; 58.9%)	68.8 [64.1–76.7]	96.2 [93.3–98.1]