February, 2003
© 2000, 2001, 2003 Scott S. Emerson, M.D., Ph.D.
Summary Measures: 5
Comparing binomial proportions
Binary (dichotomous) outcome:
·e.g., tumor response, 30 day mortality
Outcome summarized by probability of event
Compare groups by difference in proportions
Information from mean variance relationship under null or alternative
Common Probability Models