Transcription of INFORMATION POINT: Visual Analogue Scale (VAS)
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INFORMATION POINT: Visual Analogue Scale (VAS)
INFORMATION POINT: Visual AnalogueScale (VAS)A Visual Analogue Scale (VAS) is a measurement instrument that tries tomeasure a characteristic or attitude that is believed to range across a continuumof values and cannot easily be directly measured. For example, the amount ofpain that a patient feels ranges across a continuum from none to an extremeamount of pain. From the patient's perspective this spectrum appearscontinuous their pain does not take discrete jumps, as a categorization ofnone, mild, moderate and severe would suggest. It was to capture this idea of anunderlying continuum that the VAS was a VAS is usually a horizontal line, 100 mm in length, anchoredby word descriptors at each end, as illustrated in Fig.
INFORMATION POINT: Visual Analogue Scale (VAS) A Visual Analogue Scale (VAS) is a measurement instrument that tries to measure a characteristic or attitude that is believed to range across a continuum
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