Note: To ensure this calculator operates properly, please use
the latest version of Internet Explorer or Firefox. You may be asked to accept a digital signature or certificate before running the calculator; this must be accepted for the program to run properly. If you experience any problems, please feel free to contact us.You may be asked to download and install a Java plugin from Sun Microsystems. If you are having problems,
please ensure that you are running the most recent version of Java.
Table Type Options:
Diagnostic Test - calculates the Sensitivity, Specificity, PPV, NPV, LR+, and LR-
Prospective Study - calculates the Relative Risk (RR), Absolute Relative Risk (ARR), and Number Needed to Treat (NNT)
Case-control Study - calculates the Odds Ratio (OR)
Randomized Control Trial (RCT) - calculates the Relative Risk Reduction (RRR), ARR, and NNT
