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 ...
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 ...
Historic Clinical Trial External Control Arm Provides Actionable GEN-1 Efficacy Estimate Before a Randomized Trial Randomized controlled trials are considered the golden standard for estimating ...
(UPDATED) For patients with left ventricular systolic dysfunction, even moderate aortic stenosis (AS) is associated with significantly poorer long-term outcomes, including a higher risk of ...
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