Definitions for

**"Nomogram"**A chart representing numerical relationships

A graph in which lines are graduated and aligned so that a straight edge crossing the lines allows the reading of unknown values on one line by means of known values on other lines.

Graphical assessment tool consisting of a three coplanar curves, each graduated for a different variable so that a straight line cutting all three curves intersects the related values of each variable.

a graphic representation of numerical relations

a program that a surgeon uses to enter a treatment plan based on historical data of clinical results for certain age groups and refractive errors

a two-dimensional diagram designed to allow the approximate graphical computation of a function

for Likelihood Ratio

an obsolete mathematical calculation device related to a slide rule

With regard to prostate cancer, these are tables, based on a large group of previous cases, used to predict the likelihood that cancer has spread to the lymph nodes or other organs. It takes into account the clinical stage and Gleason score of a man's cancer, as well as the PSA level.

**Keywords:**table

a table that Dr