Table 2.
Cumulative incidence of hyperuricemia in patients with rheumatoid arthritis (RA) compared to subjects without RA (non-RA).
| Group | Number of patients at risk (RA/non-RA) | Number of patients with outcome (RA/non-RA) | Cumulative incidence (%) of hyperuricemia (±SE) | P value compared to non-RA |
|---|---|---|---|---|
| Non-RA | 502 | 69 | 10 yr: 11.5 ± 1.5 20 yr: 16.9 ± 2.0 |
|
| RA | 630 | 111 | 10 yr: 18.1 ± 1.7 20 yr: 24.6 ± 2.3 |
0.008 |
| RA with testing rate of non-RA∗ | 630 | 81 | 10 yr: 12.9 ± 1.5 20 yr: 18.1 ± 2.0 |
0.64 |
*Based on randomly selected uric acid tests for RA patients to mimic lower testing rate of the non-RA cohort.