| |
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
| | | | |
-
PPV positive predictive value, NPV negative predictive value, LR+ positive likelihood ratio, LR− negative likelihood ratio, 95% CI 95 percent confidence interval, VL viral load, BC-CfE BC Centre for Excellence in HIV/AIDS, CHIWOS Canadian HIV Women’s Sexual and Reproductive Health Cohort Study
-
aGold standard (True diagnosis)