A study has a placebo given to one group, GROUP P, and a medication given to another group, GROUP M. This medication could be given to prevent colon cancer, anemia, or any other ailment that may cause death.
A follow up in 5 years is performed. 99% of GROUP M have survived. 98% of GROUP P have survived.
- When does survival rates between groups become significant?
- Any other information regarding how framing statistics alter the perceived significance also appreciated? In psychology, framing as a loss or a gain changes one perception.