Saturday, 7 December 2013

EBM Systematic Review Calculator

This blog post implements an online Evidence Based Medicine (EBM) Systematic Review Calculator on a 2 by 2 Contingency table. Parameters including sensitivity, specificity and likelihood ratios are calculated. This calculator should be used for guidance purposes only.

For an authoritative explanation of the calculated parameters please refer to http://www.cebm.net/?o=1158, which is the website of the Centre for Evidence Based Medicine at the University of Oxford.

Please fill in the four text areas with integers greater than or equal to zero.

Disorder present: Disorder absent: Row totals:
Diagnostic Test positive:

Row Sum 1

Diagnostic Test negative:

Row Sum 2

Column totals

Column Sum 1

Column Sum 2

Total





Results pending...

Logistic Regression Calculator and ROC Curve Plotter

This blog post implements a Logistic Regression calculator for a binary output. Consider a binary outcome response variable \(Y\...