Which of the following is a CONTRAINDICATION during the first 8 weeks of a lateral meniscus tear?

Propensity score-based methods are sometimes referred to as “quasi-experimental” methods. In thinking about the goal of propensity score methods, which of the following is most true when comparing observational studies that leverage propensity score methods with randomized controlled trials?

Which of the following best describes how a well-implemented randomization scheme in a clinical trial minimizes the magnitude of confounding bias?

Which of the following is NOT true about propensity scores?

Based on the figure, what is the length of the latent period?

Please refer to the directed acyclic graph (DAG) below. E refers to the primary study exposure and Y refers to the primary study outcome. Which of the other variables can be best described as a confounder?   

Which of the following is NOT true about propensity scores?

Based on the figure, which of the following statements most likely is exemplified?

Please refer to the directed acyclic graph (DAG) below. E refers to the primary study exposure and Y refers to the primary study outcome. Which of the other variables can be best described as a confounder?   

My study’s primary outcome is “either hypertension or death” and I report that the treatment in my study reduces the risk of “hypertension or death” by 50%. When I look at hypertension alone, the risk reduction is 80%, but when I look at death alone, there is no risk reduction. My initial statement appears misleading. The situation described above is most likely a problem of which of the following?