ORP - Understanding the Sleep Depth Scale

Doctor Charles Penner, MD, FRCPC, explains the Odds Ratio Product method for comparing Sleep EEG measurements and outlines how the Sleep Depth Scale fits into the evaluation of patients with sleep disorders.

[FelipeLima-hyuc]

How do I apply it at local study? I understand that each number is measured by the amplitude of the wave, but by which metrics is it divided? Then, how do I know which bin represents which sleep stage? Do I need to make up my own table with data? Is the original table available anywhere? Or is there an algorithm that solves it?