Table I.
Subject demographics
| N=22 |
| Age: 64 years mean (± 3 yr) [range 33 – 83 years] |
| Sex: 12 male 10 female |
| Race: 20 caucasian 1 african-american 1 asian |
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.