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Perceived Stress Scale may be useful in patients with AMD
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The Perceived Stress Scale may be useful to measure the level of stress patients with AMD feel they are experiencing, according to researchers.
A total of 137 study participants with AMD were recruited from the retina service of the Department of Ophthalmology at the Ohio State University.
The mean age of the participants was 82 years, and 54% were female.
Visual acuity of the better eye was 65 letters, with a range of approximately 20/800 to 20/15, according to the study.
After removal of one item, the nine-item form of the Perceived Stress Scale demonstrated acceptable psychometric properties in patients being managed for AMD, researchers wrote.
“The Rasch analysis showed that the questionnaire demonstrated reasonable measurement precision, evidence of unidimensionality and a properly functioning response category structure,” they wrote.
In future studies, the investigators should include or exclude items based on the results of their own analysis, “taking into account the various indicators of scale validity,” the researchers added.
While depression has been studied in various AMD populations, perceived stress has not been explored, according to researchers. – by Abigail Sutton
Disclosures: The researchers reported no relevant financial disclosures.
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