Learning Objective 1: The learner will be able to identify the symptom clusters in older adults with osteoarthritis of the knee
Learning Objective 2: The learner will be able to identify the effects of symptom clusters on the quality of life of older adults with osteoarthritis of the knee.
Aim: The purposes of this secondary analysis were to explore the existence of symptoms that form a cluster or clusters in older adults with OA of the knee, and to explore the effect of symptom clusters on functional status and QOL.
Method: A cross-sectional, methodological exploration of existing data from a convenience sample (N=75) of adults ages 50 and older was used. Hierarchical and k-means cluster analysis was performed to identify symptom clusters. MANOVA was performed to test for any differences in QOL and functional status jointly.
Results: Two large clusters of pain, fatigue, and depression were identified from cluster analysis. Significant mean differences between symptom clusters existed on both functional status (p<0.0001) and QOL (p=0.0082).
Conclusion: The findings of this study provide a foundation for future research evaluating symptom clusters and determining whether the clusters vary over time or along disease/treatment trajectory. Nurses need to be aware of the presence of symptom clusters and their possible synergistic adverse effect on the older adults’ QOL. Linking the symptom cluster to outcomes provides a basis for targeted nursing interventions aimed at improving the functional status and QOL of older adults with OA.
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