Validation of Pain Assessment Scale Faces Thermometer Scale (FTS)

The aim of the study was to psychometrically evaluate the electronic self assessment Faces Pain Scale (FPS). Validation is performed in relation to golden standard of pain scale assessments Faces Pain Scale Reversed (FPS-R) and Coloured analogue Scale (CAS). 600 children with a range of illnesses on various paediatric healthcare settings in Sweden, Island, Denmark and USA will be included. Pain assessment will take place postoperatively, in relation to procedures or in a setting where acute pain is identified.