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.
| spiked concentration (pg/mL) | 1 | 3 | 15 | 150 |
|---|---|---|---|---|
| mean | 0.9 | 2.5 | 13.9 | 159.9 |
| standard deviation | 0.1 | 0.3 | 0.7 | 5.1 |
| %CV | 10.5 | 10.5 | 5.0 | 3.2 |
| %RE | –9.5 | –17.1 | –7.6 | 6.7 |
