These calculators were created for your own personal use and testing purposes. They are to be used as a guide only. Medical decisions should NOT be based solely on the results of these programs. Although this program has been tested thoroughly, the accuracy of the information cannot be guaranteed.
- Statistics Calculator
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
- Odds Ratio to NNT Converter
- Conversion from OR to NNTs
- Palm OS EBM Calculator
Downloadable version of the Stats Calculator and OR to NNT Converter for your Palm OS device.
Note: this is only for devices running Palm OS 3.1 or later. See Wikipedia for a list of Palm OS devices.
- Pocket PC EBM Calculator
Downloadable version of the Stats Calculator for your Pocket PC device.
Note: this is only for devices running Pocket PC 2000 or later on devices with a Strong ARM processor. See Wikipedia for a list of Pocket PC devices.