Research Article

Serum Samples That Have Been Stored Long-Term (>10 Years) Can Be Used as a Suitable Data Source for Developing Cardiovascular Risk Prediction Models in Large Observational Rheumatoid Arthritis Cohorts

Table 4

CV risk reclassification.

CV risk Before correction for storage decay
(%)
After correction for storage decay
(%)
Reclassified

Low (<10%)499 (48%)552 (53%)+53 (11%)
Intermediate (10–20%)178 (17%)164 (16%)−14 (8%)
High (>20%)373 (35%)334 (31%)−39 (11%)

Total (%)1050 (100%)1050 (100%)+53 (5%)

(i) CV risk, cardiovascular risk.
(ii) Number of patients reclassified according to the SCORE CV risk categories for the 10-year risk of a CV event; (low; <10%, intermediate; 10–20%, and high; >20%) before and after correction for storage decay effect on TC and HDL-c.