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The following two tools can be used to calculate results and gain insights 
into the clinical (and statistical) meaning of the study results. 

Dichotomous data

Katie Clinical Significance Calculator - Used to calculate NNTs and NNHs

How to use the Katie Clinical Significance Calculator:
Overview and Entering Dummy Data (12 min.)
Entering Data from a Study (8 min.)

Continuous data

Gardner’s Effect Size Illustrator - A unique calculator and illustrator useful for clinically interpreting continuous or scale data. 

Please refer to Links for other results calculators, clinical calculators, and
critical appraisal tools.