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.
| Received blood | Donated blood, no. observed
(no. expected if events are independent) |
Total no. (%) | |
|---|---|---|---|
| No | Yes | ||
| No | 401 (404) | 104 (101) | 505 (82) |
| Yes | 93 (90) | 19 (22) | 112 (18) |
| Total no. (%) | 494 (80) | 123 (20) | 617 (100) |
