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.
| Study site | N | Umbilical cord plasma 25(OH)D concentration (ng/mL) | |||||
|---|---|---|---|---|---|---|---|
| Mean | 10th percentile | 25th percentile | Median | 75th percentile | 90th percentile | ||
| Baltimore | 146 | 22.4 | 11.4 | 15.6 | 21.0 | 25.6 | 36.0 |
| Boston | 142 | 16.9 | 9.0 | 9.0 | 15.0 | 21.0 | 30.0 |
| New York | 112 | 22.0 | 10.8 | 15.1 | 20.7 | 27.0 | 35.2 |
| St. Louis | 168 | 21.7 | 9.3 | 15.0 | 20.9 | 27.0 | 35.2 |
| Overall | 568 | 20.7 | 9.0 | 15.0 | 20.2 | 25.6 | 33.0 |
