Table 2.

Tools for assessment of pain intensity and characteristics

Type of pain assessment	Pain assessment tool	Description
Quantitative tools	VAS	Patients are asked to indicate their pain intensity by putting a mark along a continuum with one extreme representing no pain and the other end the worst possible pain
	The Numerical Rating Scale	This is a VAS scale calibrated with numbers from 0 (no pain) to 10 (the worst pain imaginable) either on a continuum scale or in boxes (Numeric Box Scale)
Qualitative and pain characteristics tools	The Verbal Rating Scale	Consists of four adjectives to describe pain severity: none, mild, moderate and severe
	The Faces Scales (Wong Baker Faces Pain Scale)	A series of faces each depict different facial expressions. The series of faces represent an increasing degree of pain with increasing unhappiness or sadness
	Short McGill Pain Questionnaire	Eleven pain‐related words to differentiate neuropathic from nociceptive components of pain

VAS, Visual Analogue Scale.