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.
Correlations between disease activity measure and disease duration at the first medical evaluation
| Disease activity measure | Correlation | P-value |
|---|---|---|
| Clinical Disease Activity Index | −0.562 | < 0.001 |
| DAS 28 erythrocyte sedimentation rate | −0.484 | < 0.001 |
| DAS 28 C-reactive protein | −0.621 | < 0.001 |
DAS 28 = disease activity score (28 joints).
