15
Comparison of Summary Measures
Typical
approaches to compare response across two treatment
arms
•Difference / ratio of
means (arithmetic, geometric, …)
•Difference / ratio of
medians (or other quantiles)
•Median difference of
paired observations
•Difference / ratio of
proportion exceeding some threshold
•Ratio of odds of
exceeding some threshold
•Ratio of instantaneous
risk of some event
»(averaged across
time?)
•Probability that a
randomly chosen measurement from one population might exceed
that from the other
•…