To examine the relationship between different cancer pain management outcomes over time, 74 patients with the worst cancer related pain rated as four or greater on an 11-point numeric scale were followed weekly with the Brief Pain Inventory (BPI), and the satisfaction questionnaire and global visual analogue scale quality of life (VASQOL) for 3 weeks. Univariate and multivariate regression analyses were performed at weekly time points. The analyses indicated that pain outcomes can be categorized into separate QOL and satisfaction paths linked by the worst pain severity. In the QOL path, the worst pain severity predicted a pain interference score, which consistently predicted VASQOL. For the satisfaction path, independent predictors were pain relief at Week 1, and worst pain severity and changes in worst pain severity at Week 2. No variables predicted satisfaction at Week 3. The data suggest that satisfaction and quality of life may be independent outcomes of pain management. The timing of assessment may itself be important. © U.S. Cancer Pain Relief Committee, 2002.
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