The number lock key has been virtually replaced by separate navigational and numerical entry keypads. The SysRq key never had a function â it was created strictly for a future function that did not materialize. Many computer keyboards don't include a scroll lock key, although a few do, perhaps for nostalgic purposes.
The NPRS is an 11-point scale from 0-10. â0â = no pain. â10â = the most intense pain imaginable. Patients verbally select a value that is most in line with the intensity of pain that they have experienced in the last 24 hours. A written form is also frequently used with the numeric values of 0 â 10 written out.
Significance of Visual Analog Scale. Pain visual analog scale is very easy to use by respondent and assessor both. Woodforde and Merskey first reported use of the VAS pain scale. The reliability of the test has shown to be good and is higher among literate.