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.
Between‐Laboratory Precision and Recovery of 25‐OHD in Sample Pools
| Between‐laboratory precision | Percentage recovery based on between‐laboratory median value | |||||||
|---|---|---|---|---|---|---|---|---|
| Sample | Mean (nmol/L) | Median (nmol/L) | SD (nmol/L) | CV (%) | Clayton | Wollongong | Munich | Amersfoort |
| SP 4 | 35.6 | 34.7 | 3.59 | 10.1 | 98.9 | 116.3 | 92.8 | 92.2 |
| SP 5 | 56.1 | 54.8 | 3.23 | 5.8 | 99.6 | 109.7 | 100.6 | 96.3 |
| SP 6 | 94.8 | 93.0 | 6.16 | 7.5 | 99.7 | 110.5 | 97.7 | 96.5 |
