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.
Demographic characteristics and DNA yields per specimen, corresponding to 2910 DNAs included in this study
| Blood (8 ml max) | Saliva (2 ml max) | P-value | |
|---|---|---|---|
| No. samples | 566 | 2344 | |
| Age ± SD years | 65 ± 12 | 65 ± 12 | 0.95 |
| Female (%) | 67.8 | 67.4 | 0.88 |
| Mean ± SD for total DNA yield per specimen (μg) | 106 ± 68 | 35 ± 36 | P < 0.0001 |
| Mean ± SD for DNA yield per ml of requested specimen (μg/ml) | 13.2 ± 8.5 | 17.6 ± 17.8 | P < 0.0001 |
Specimen collection volume was up to 8 ml for blood and up to 2 ml for saliva
