Background Infections with multidrug resistant (MDR) bacteria in hospital settings have
substantial implications in terms of clinical and economic outcomes. However, due to clinical …

When estimating causal effects using observational data, it is desirable to replicate a
randomized experiment as closely as possible by obtaining treated and control groups with …

This report aims to provide methodological guidance to help practitioners select the most
appropriate weighting method based on propensity scores for their analysis out of many …

Importance Meta-analyses have suggested that initiating pulmonary rehabilitation after an
exacerbation of chronic obstructive pulmonary disease (COPD) was associated with …

Supplement to “Automated versus Do-It-Yourself Methods for Causal Inference: Lessons
Learned from a Data Analysis Competition”. The online supplement contains the full set of …

Importance Several randomized clinical trials have recently established the safety and
efficacy of endovascular treatment (EVT) of acute ischemic stroke in the anterior circulation …

The propensity score is the probability of treatment assignment conditional on observed
baseline characteristics. The propensity score allows one to design and analyze an …

Importance Although concussion treatment guidelines advocate rest in the immediate
postinjury period until symptoms resolve, no clear evidence has determined that avoiding …

Background Nonexperimental studies are increasingly used to investigate the safety and
effectiveness of medical products as they are used in routine care. One of the primary …

Purpose Clinical characteristics and management of COVID-19 patients have evolved
during the pandemic, potentially changing their outcomes. We analyzed the associations of …