Table 2.

The clinical and laboratory features of patients with crystal-induced arthritis, inflammatory arthritis, osteoarthritis, and spondyloarthropathy

SF, synovial fluid; UA, uric acid; P, P value between groups by Kruskal-Wallis test. ^*Statistically significant compared with crystal-induced arthritis by Bonferroni correction after Kruskal-Wallis test. ^†The frequency of high levels (≥ 125 pg/mL) of caspase-1 was significantly higher in spondyloarthropathy than in other arthritides by Fisher's exact test.