Risk Reduction Calculator

Enter your data in one of these ways:

Numbers of patients who experience good and bad outcomes
under the new therapy and control therapy:

Lost to follow-up (optional) Total
0
0
Total 0 0 0 0

or
Type of event and event rates (and, optionally, sample size):

The events I'm interested in are:
Control event rate: %
Experimental event rate: %
Optional
Total # of patients in control group:
# of patients in control group lost to follow-up:
# of patients in experimental group:
# of patients in experimental group lost to follow-up:

Printing options

If you'd like to produce an annotated printable version of the results you've computed above, fill out the optional fields below, and click "Printable version"

Optionally, provide a title for the output (such as the article citation):

Optionally, provide a block of text to appear in the printable output, on the left side:

Optionally, provide a block of text to appear in the printable output, on the right side: