The use of data from observational studies has a long tradition in epidemiological research. A series of complex study designs and analysis procedures, such as propensity score methods, have been ...

Comparative effectiveness research increasingly is being recognized as a priority area in cancer research. Although researchers have been conducting comparative effectiveness research for decades, ...

In the article that accompanies this editorial, Lu et al 5 conducted a systematic review on the use of instrumental variable (IV) methods in oncology comparative effectiveness research. The main ...

COPENHAGEN, Denmark—Five-year survival following surgical aortic valve replacement (SAVR) for aortic stenosis is superior to that of TAVI, according to an analysis combining data from more than three ...