Table 4 Self-reported allopurinol use and iron profile comparison in gout patients
From: The relationship between ferritin and urate levels and risk of gout
Population/marker | No allopurinol | Allopurinol | p | (95% CI)for difference |
|---|---|---|---|---|
NZ European (n) | 23 | 66 | – |  |
 Serum iron (μmol L−1) | 100.44 | 98.65 | 0.77 | (− 10.661; 14.258) |
 Serum ferritin (ng ml− 1) | 253.71 | 284.31 | 0.48 | (− 115.787; 54.597) |
NZ Polynesian (n) | 22 | 74 | Â | Â |
 Serum iron (μmol L−1) | 91.21 | 85.08 | 0.26 | (− 4.592; 16.816) |
 Serum ferritin (ng ml−1) | 373.81 | 494.32 | 0.005 | (− 204.466; − 36.548) |
US (n) | 155 | 34 | Â | Â |
 Serum ferritin (ng ml− 1) | 158.57 | 248.21 | 0.02 | (− 164.816; 14.451) |