# Accumulative

## What do we do as more studies come out?

Online dashboards, such as the COVID-19 clinical trials registry, provide near real-time tracking and categorization of findings accumulating across emerging research. As such one can update the robustness of the cumulative findings for a given COVID-19 treatment. We illustrate using a historical non-COVID example: the study-by-study accumulation of $$16$$ estimated effects presented in a meta-analysis of randomized trials examining the impact of hypertension treatments on the probability of suffering a stroke (data from Collins et al.