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.
Impact of sensitivity of diagnostics on PPV and NPV values. Rows represent different numbers of independent McMaster test done on each individual in the sample. Baseline prevalence range 5–40%
| Number of samples | Threshold quality (PPV / NPV) | |||
|---|---|---|---|---|
| 0.5% | 1% | 2% | 5% | |
| 1 | 0.97/0.96 | 0.91/0.99 | 0.81/1 | 0.65/1 |
| 2 | 0.99/0.91 | 0.97/0.98 | 0.88/1 | 0.74/1 |
| 3 | 0.99/0.87 | 0.97/0.95 | 0.87/1 | 0.72/1 |
| 4 | 1/0.87 | 0.98/0.95 | 0.88/1 | 0.73/1 |
