Increasing the reliability and validity of pain intensity measurement in chronic pain patients.Pain. Pain: Clinical Manual for Nursing Practice. The objective was to determine if there is any difference in the discrimination ability of the NRS when used for measuring pain severity separately in different body regions. Adequate stability of values required at least 3 measures of pain intensity per day over the course of 4 days. Background Despite the broad popularity of a numeric rating scale (NRS) its psychometric properties are not well known. Translations in other languages (if yes, then list the languages)Īvailability of questionnaire: needs permission from developer, cost or freely availableĪverage pain scores calculated from ratings obtained from a single day were less stable than those calculated from ratings obtained from multiple days.Reliability and validity coefficients may be inadequate for examining the impact of a treatment on the pain ratings of small groups of subjects, or in examining changes in individuals over time. A composite pain intensity score calculated from an average of 1 2 ratings across 4 days demonstrated adequate reliability and excellent validity as a measure of the average pain in this sample of chronic pain patients. The use of unidimensional pain scales such as the Numerical Rating Scale (NRS), Verbal Rating Scale (VRS), or Visual Analogue Scale (VAS) is recommended for. Scoring available: with permission or free Assesses the subjective intensity of pain ages 18 and aboveĠ-10 Numerical Rating Scale, where 0 =‘no pain’ and 10 = ‘pain as bad as it could be’.
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