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Using a personalized measure (Patient Generated Index (PGI)) to identify what matters to people with cancer
Purposes Patient Generated Index (PGI) is designed to both ask and document quality of life (QOL) concerns. Its validity with respect to standard QOL measures has not been fully established for advanced cancer when QOL concerns predominate. The specific objective of this study is to identify, for pe...
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Published in: | Supportive care in cancer 2016-01, Vol.24 (1), p.437-445 |
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Main Authors: | , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | Purposes
Patient Generated Index (PGI) is designed to both ask and document quality of life (QOL) concerns. Its validity with respect to standard QOL measures has not been fully established for advanced cancer when QOL concerns predominate. The specific objective of this study is to identify, for people with advanced cancer, similarities and differences in ratings of global QOL between personalized and standard measures.
Methods
A total of 192 patients completed five QOL measures at study entry: PGI, generic measures (SF-6D, EQ-5D), and cancer-specific measures of QOL (McGill Quality of Life Questionnaire and Edmonton Symptoms Assessment Scale). Comparisons among total scores were compared using Generalized Estimating Equations (GEE).
Results
Patients voiced 114 areas of QOL concerns by the PGI with the top three being fatigue, sleep, and pain (39.2, 22.6, and 21.6 %, respectively). PGI total QOL score was 25 to 30 percentage points lower than those documented by the other measures, particularly when QOL was poor. Correlations between PGI and other measures were low.
Conclusion
PGI allowed patients to express a wide range of QOL concerns, many that were not assessed by other QOL measures. If only one QOL measure is to be included, either in a clinical setting or for research, the PGI would satisfy many of the criteria for “best choice.” PGI could be considered a cancer-specific QOL measure.
Implications for cancer
This study provides evidence that the PGI would be a good measure for patients and clinicians to use together to identify areas of concern that require attention and monitor changing needs. |
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ISSN: | 0941-4355 1433-7339 |
DOI: | 10.1007/s00520-015-2821-7 |