Visual Analogue Scale: Evaluation of the Instrument for the Assessment of Pruritus
Copyright policy )Visual Analogue Scale: Evaluation of the Instrument for the Assessment of Pruritus
The aim of this study was to evaluate the visual analogue scale (VAS) as a method of pruritus assessment. A total of 310 subjects with pruritic dermatoses (148 Caucasian subjects and 162 Asian subjects) were recruited. The patients assessed pruritus intensity using the horizontal and vertical VAS, numeric rating scale (NRS) and verbal rating scale (VRS). All scales showed very good reproducibility (intraclass coefficient (ICC) > 0.8). No significant differences were found between the horizontal and vertical VAS (5.3 ± 2.9 vs. 5.3 ± 3.0 points, p = 0.34). Using NRS, patients rated their pruritus significantly higher than with VAS (5.7 ± 2.6 points, p 0-< 4 points = mild pruritus, ≥ 4-< 7 points = moderate pruritus, ≥ 7-< 9 points = severe pruritus, and ≥ 9 points = very severe pruritus. In conclusion, the VAS is a valuable method of pruritus measurement.
- Universität Hamburg Germany
- Wrocław Medical University Poland
- Polish Academy of Learning Poland
- Juntendo University Japan
- University of Münster Germany
Analysis of Variance, Chi-Square Distribution, Pruritus, Reproducibility of Results, Severity of Illness Index, White People, Asian People, Japan, Predictive Value of Tests, Surveys and Questionnaires, Humans, Poland
Analysis of Variance, Chi-Square Distribution, Pruritus, Reproducibility of Results, Severity of Illness Index, White People, Asian People, Japan, Predictive Value of Tests, Surveys and Questionnaires, Humans, Poland
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