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.
Chi Square test for association of PRP status and bone density
| Variable | Chi Square value | P value |
|---|---|---|
| BD1 | 2 | 0.368 |
| BD4 | 0.40 | 0.527 |
| BD8 | 0.667 | 0.717 |
| BD16 | 0.667 | 0.717 |
(BD1- bone density after 1 week, BD4- bone density after 4 weeks, BD8-bone density after 8 weeks, BD16-bone density after 16 weeks)
All cell contain n < 5, without continuity correction
