Authors’ reply to Yudkin and Lipska

Yudkin and Lipska note that we did not present the numbers needed to treat for the assessed outcomes in our systematic review.1 2 According to the Cochrane Collaboration, a relative measure—for example, relative risk or odds ratio—is preferred for reporting intervention effects because it remains more stable across different risk groups.3 Therefore, we reported the relative risk ratio for all outcomes.2 Furthermore, we reported the absolute risk difference for the composite microvascular outcome and retinopathy. …