Cluster randomized trials (CRTs) represent a pivotal design in evaluating public health and clinical interventions where individuals are grouped into clusters (such as schools, hospitals or ...

Background Azithromycin mass drug administration (MDA) to ages 1–59 months can reduce childhood mortality; however, more ...

In an open-label, two-period, two-sequence, cross-sectional, cluster-randomized, crossover trial, we assigned hospitals in Ontario, Canada, to use either lactated Ringer’s solution or normal saline ...