Table 5

 Effect of reduction of serum uric acid upon treatment variables in patients with primary gout

Variableβ95% CIp Value
Dependent variable: serum uric acid (SUA). Individual patient data were obtained from Yu’s study (1965).12 Negative values mean a reduction in SUA (in mg/dl).
CI, confidence interval.
Allopurinol−1.09−0.94 to −1.240.000
(100 mg increments)
Sulphinpyrazone−0.09−0.01 to −0.180.034
(100 mg increments)
Duration of treatment−0.08−0.04 to −0.110.000
Age−0.36−0.18 to −0.530.000
(10 year increments)