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Clinically Significant Changes in Nausea as Measured on a Visual Analog Scale by Gregory W. Hendey; Neil F. Donner; Kimberly Fuller is a Medicine article available to read on EtoBox.

What is Clinically Significant Changes in Nausea as Measured on a Visual Analog Scale about?

Study objective: Our objective is to determine the minimum clinically significant change in nausea as measured on a visual analog scale. Methods: This was a prospective, descriptive, convenience sample study of consenting adults presenting to the emergency department with nausea, excluding intoxicated patients and those with mild nausea (measuring <30 mm on a visual analog scale). Patients rated their nausea severity on a 100-mm visual analog scale and reported whether their nausea was ''a lot less,'' ''a little less,'' ''unchanged,'' ''a little more,'' or ''a lot more'' compared with previous assessments. We defined the minimum clinically significant change as the mean difference in visual analog scale in patients reporting ''a little less'' or ''a little more'' nausea. Results: Eighty-three paired visual analog scale measurements were collected from 50 patients. Fifty-eight percent of patients were women, and the mean age was 41 years. Mean changes in visual analog scale with corresponding qualitative descriptors were ''a lot less'' in 16 paired measurements (ÿ42.2 mm; 95% confidence interval [CI] ÿ54.9 to ÿ29.5); ''a little less'' in 34 paired measurements (ÿ15.4 mm; 95% CI ÿ20.

Who reads Clinically Significant Changes in Nausea as Measured on a Visual Analog Scale?

Author

Gregory W. Hendey; Neil F. Donner; Kimberly Fuller

Publisher

Elsevier Science; Elsevier ; Mosby Inc.; Elsevier BV (ISSN 1097-6760)

Published

2005

Language

EN

Field

Medicine (Health Sciences)