Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Classification of virologic failure comparing plasma HIV-1 RNA results with DBS HIV-1 RNA results at the threshold of ≥400 copies/mL (panel a) and ≥5,000 copies/mL (panel b), Tanzania 2008-9
| a | plasma | b | plasma | ||||||
| ≥400 | <400 | total | ≥5,000 | <5,000 | total | ||||
| ≥400 | 81 | 7 | 88 | ≥5,000 | 74 | 2 | 76 | ||
| DBS RNA | <400 | 1 | 48 | 49 | DBS RNA | <5,000 | 0 | 61 | 61 |
| total | 82 | 55 | 137 | total | 74 | 63 | 137 | ||
| SN 0.99 (0.93, 1.00), SP 0.87 (0.76, 0.94) PPV 0.92, NPV 0.98 |
SN 1.00 (0.95, 1.00), SP 0.97 (0.89, 0.99) PPV 0.97, NPV 1.00 |
||||||||
