MedCalc's Free statistical calculators
https://www.medcalc.org/calcFree statistical calculators. Test for one mean. Test for one proportion. Fisher's exact test for 2x2 table. Comparison of means. Comparison of proportions. McNemar test on paired proportions. Comparison of correlation coefficients. Comparison of Coefficients of Variation.
MDCalc - Medical calculators, equations, scores, and guidelines
www.mdcalc.comMDCalc - Medical calculators, equations, scores, and guidelines. Creatinine Clearance (Cockcroft-Gault Equation) Calculates CrCl according to the Cockcroft-Gault equation. CHA₂DS₂-VASc Score for Atrial Fibrillation Stroke Risk. Calculates stroke risk for patients with atrial fibrillation, possibly better than the CHADS₂ Score.