This Patient Safety Report discusses various aspects of patient safety, including patient assignment, accountability, group similarity, fair treatment, treatment effect, application of findings, and value for money. The report highlights the use of randomization in patient assignment, the importance of accountability, the homogeneity of groups at the beginning of the experiment, fair treatment between groups, the size of the treatment effect, the application of research findings to the local population, and the value for money at the conclusion of the research. The findings of this research can be applied to the local population to improve patient safety and save lives.