Computational and Mathematical Methods in Medicine / 2013 / Article / Tab 2

Research Article

A Soft Computing Based Approach Using Modified Selection Strategy for Feature Reduction of Medical Systems

Table 2

The terms used for the calculation of sensitivity, specificity, NPV, and PPV.

Diagnostic Test or ClassificationDisease (Positive)
(Patients with Urological Disease or Risky Patients)
Disease Negative
(Patients without Urological Disease or Healthy Patients

Test Positive True Positive (T. P.)False Positive (F. P.)
Test Negative False Negative (F. N.)True Negative (T. N.)

The Column Total(T. P.) + (F. N.)(F. P.) + (T. N.)