Illustrating potential effects of alternate control populations on real-world evidence-based statistical analyses.
International Changes in COVID-19 Clinical Trajectories Across 315 Hospitals and 6 Countries: Retrospective Cohort Study.
International electronic health record-derived COVID-19 clinical course profiles: the 4CE consortium.
International Comparisons of Harmonized Laboratory Value Trajectories to Predict Severe COVID-19: Leveraging the 4CE Collaborative Across 342 Hospitals and 6 Countries: A Retrospective Cohort Study.
What Every Reader Should Know About Studies Using Electronic Health Record Data but May Be Afraid to Ask.
Validation of an internationally derived patient severity phenotype to support COVID-19 analytics from electronic health record data.