The FPS–R rates pain on a scale from 1–10, with 0 representing “no pain” and 10 “very much pain.” Each level accompanies a facial expression, ranging from content to distressed.

The flexible use of a visual/verbal analogue scale – the thermometer – is described as a means of monitoring patients' levels of cognitive fear, trust, pain and self-esteem during treatment ...

Visual analog score (VAS), consisting of a 10 cm (100 mm) line, with the anchor words at either end providing extreme descriptions of pain, is another widely used tool.

The Wong-Baker Faces Pain Rating Scale is a method for someone to self-assess and effectively communicate the severity of pain they may be experiencing. The scale contains a series of six faces ...

The numeric rating scale (NRS) involves asking patients to rate their pain intensity by selecting a number on a scale from 0–10 (11-point scale), 0–20 (21-point scale), or 0–100 (101-point ...