Korean J Adult Nurs.  2011 Apr;23(2):111-122.

Validity, Reliability and Efficiency of Pain Self-report Scale in Elderly with Dementia

Affiliations
  • 1Red Cross College of Nursing, Korea.
  • 2Department of Nursing, Chung-Ang University, Korea. kspark@cau.ac.kr

Abstract

PURPOSE
The aim on this study was to establish the validity, reliability and efficiency of a Pain Self-Report Scale for elderly with dementia and compare these results with an observational pain rating scale.
METHODS
Study subjects were 136 elderly with dementia who were residents in a nursing home, geriatric hospital, or day care center. The subject's pain was measured by five self-report scales and observational scale. DS-DAT (discomfort scale-dementia of the Alzheimer's type) was used for pain behavior observational measure. Cognitive state was assessed using the MMSE (Mini-Mental State Examination).
RESULTS
Observational rating correlated moderately with self-report (r=.225~.585, p<.05) and tended to underestimate pain intensity. Test-retest reliability was high for all five self-report scales, and the correlation between these scales was very strong (r=.735~.856, p<.05). Comprehension rate of VDS (verbal descriptor scale) was 88.3%, and NRS (numeric rating scale) 69.9%, FPS (face pain scale) 66.9%, HVAS (horizontal visual analog scale) and VVAS (vertical visual analog scale) 65.4%.
CONCLUSION
Nurses should not apply observational scales routinely in demented patients as many of these are capable of reporting their own pain. Self-report, the highest standard of pain measurement can be reliably performed in a large proportion of demented elderly.


MeSH Terms

Aged
Comprehension
Day Care, Medical
Dementia
Humans
Nursing Homes
Pain Measurement
Subject Headings
Weights and Measures
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