Cause-effect Other numbers from the colonoscopy trial Kaiser highlights some other metrics from the colonoscopy study
observational studies All evidence are not created equal and some evidence are more equal than others Kaiser considers the controversy over the recent colonoscopy trial results.
Aggregation The role of prior infection in the vaccine trials Kaiser reviews a finding from the J&J vaccine trial about immunity from infection.
Bias How to commit a professional foul - in statistics Kaiser defines professional fouling in statistics and data analyses.
Cause-effect Real-world studies: limits of knowledge Kaiser focuses attention on a few aspects of the Mayo Clinic real-world effectiveness study.