Figure 10. Risk of radiographic stone recurrence, allopurinol versus control treatment. This figure depicts the risk of radiographic stone recurrence in one study of patients assigned to allopurinol versus control. The study by Ettinger 1986 of 60 patients found that the risk of radiographic recurrence was significantly reduced with allopurinol therapy compared with control (Risk ratio was was 0.53 [95% CI 0.29 to 0.99). Incidence of recurrence was 31% for the allopurinol group versus 58% for the control group.

Figure 10Risk of radiographic stone recurrence, allopurinol versus control treatment

From: Results

Cover of Recurrent Nephrolithiasis in Adults
Recurrent Nephrolithiasis in Adults: Comparative Effectiveness of Preventive Medical Strategies [Internet].
Comparative Effectiveness Reviews, No. 61.
Fink HA, Wilt TJ, Eidman KE, et al.

PubMed Health. A service of the National Library of Medicine, National Institutes of Health.