The number needed to treat, that is, the average number of patients a clinician needs to treat with a particular therapy to prevent one bad outcome,1 is a translation into clinical terms of the ...

The defensive interval ratio (DIR) is a financial metric that can help investors assess a company's ability to meet its short-term operating expenses using its liquid assets. Also known as the basic ...

This applet allows users to drag sliders to change the confidence level and sample size. The applet helps users visualize the meaning of the phrase "C% confidence," by showing that C% of the samples ...