observational data With adjustments comes responsibility Kaiser explains how adjusted per-protocol analysis leads to different conclusions in the colonoscopy trial.
Analytics-business interaction Know your data 34: coming for your most private data Kaiser reacts to news that hospital websites push personal health data to Facebook.
Aggregation Exercising fails to stop obesity, doh Kaiser Fung (Numbersense, Principal Analytics Prep) reacts to an article claiming more gym memberships have not reduced obesity rate.