PPV (95% CI) | NPV (95% CI) | LR+ (95% CI) | LR− (95% CI) | |||
---|---|---|---|---|---|---|
Laboratory-confirmed VL (from BC-CfE)a | ||||||
VL <50 copies/mL | VL ≥50 copies/mL | |||||
Self-report VL (from CHIWOS) | ||||||
Undetectable (i.e. <50 copies/mL) | 267 | 18 | 93.7 (90.2–96.2) | 80.4 (66.9–90.2) | 3.2 (2.1–4.6) | 0.05 (0.03–0.10) |
Detectable (i.e. ≥50 copies/mL) | 10 | 41 |