A comparison of pain-assessment tools for use with elderly long-term-care residents.

The purpose of this study was to examine the psychometric properties (test-retest and interrater reliability, criterion concurrent validity) of 3 verbal pain-assessment tools (Faces Pain Scale, Numerical Rating Scale, Present Pain Intensity Scale) and a behavioural pain-assessment scale for use with an elderly population. The study used a repeated-measures design to examine the reliability and validity of the tools across 4 groups of …