The essence of life is statistical improbability on a grand scale.
There are three kinds of lies: lies, damn lies, and statistics.
Attributed to Disraeli by Mark Twain
In medical and health research, the quality of the statistical analysis and the presentation of results are critical to a study’s validity and influence. Decisions about statistical analysis are best made when studies are designed and should not occur after the data are collected. A fundamentally flawed study cannot be salvaged by statistical analysis. Regardless of the statistician’s role, authors are responsible for the appropriate design, analysis, and presentation of the study’s results....