Table 3.
Serum urate (SU) change over 3-month periods in year 1 and flare occurrence at the next visit
| Months | Flare assessment time | Flare status | N | Mean SU change (SD) | p | Patients with SU change > 30 µmol/L (%) | p-value, flare vs. no flare | Patients with SU change > 60 µmol/L (%) | p-value, flare vs. no flare | Patients with SU change > 90 µmol/L (%) | p-value, flare vs. no flare |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 0–3 | Month 4 | Flare + | 41 | 170 (89) | 0.13 | 95.1 | 0.63 | 85.4 | 0.33 | 78.0 | 0.86 |
| Month 4 | Flare − | 129 | 153 (85) | 93.0 | 90.7 | 76.7 | |||||
| 3–6 | Month 9 | Flare + | 30 | 19 (82) | 0.42 | 36.7 | 0.71 | 30.0 | 0.66 | 16.7 | 0.56 |
| Month 9 | Flare − | 127 | 22 (71) | 40.2 | 26.0 | 12.6 | |||||
| 6–9 | Month 12 | Flare + | 47 | 10 (87) | 0.36 | 38.3 | 0.43 | 31.3 | 0.55 | 14.9 | 0.24 |
| Month 12 | Flare − | 116 | 6 (67) | 31.9 | 17.2 | 8.6 | |||||
| 9–12 | Month 24 | Flare + | 41 | − 1 (63) | 0.15 | 14.6 | 0.043 | 7.3 | 0.25 | 7.3 | 0.67 |
| Month 24 | Flare − | 113 | 11 (63) | 31.0 | 14.2 | 8.8 |