Table 2.

Mean Serum Urate Values at Each Dose of Allopurinol

Visit	Mean Urate ± Standard Deviation (mg/dL)	P a
Baseline	6.3 ± 1.1	N/A
After 100 mg	5.9 ± 0.9	1.0
After 200 mg	5.6 ± 0.7	1.0
After 250 mg	5.5 ± 1.1	1.0
After 300 mg	4.9 ± 1.0	0.04
After 350 mg	5.2 ± 1.0	0.5

^aAdjusted for baseline urate using a Bonferroni correction.