Validation of the What Matters Index: A brief, patient-reported index that guides care for chronic conditions and can substitute for computer-generated risk models

PloS One
John H WassonL Gordon Moore

Abstract

Current health care delivery relies on complex, computer-generated risk models constructed from insurance claims and medical record data. However, these models produce inaccurate predictions of risk levels for individual patients, do not explicitly guide care, and undermine health management investments in many patients at lesser risk. Therefore, this study prospectively validates a concise patient-reported risk assessment that addresses these inadequacies of computer-generated risk models. Five measures with well-documented impacts on the use of health services are summed to create a "What Matters Index." These measures are: 1) insufficient confidence to self-manage health problems, 2) pain, 3) bothersome emotions, 4) polypharmacy, and 5) adverse medication effects. We compare the sensitivity and predictive values of this index with two representative risk models in a population of 8619 Medicaid recipients. The patient-reported "What Matters Index" and the conventional risk models are found to exhibit similar sensitivities and predictive values for subsequent hospital or emergency room use. The "What Matters Index" is also reliable: akin to its performance during development, for patients with index scores of 1, 2, and ≥3, the...Continue Reading

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Citations

Nov 18, 2018·The Journal of Ambulatory Care Management·John H Wasson
Feb 16, 2019·The Journal of Ambulatory Care Management·John H Wasson
Jul 2, 2019·BMJ Open Quality·Tim BensonClive Bowman
Aug 29, 2020·The Journal of Ambulatory Care Management·John H Wasson
Aug 27, 2019·The Journal of Ambulatory Care Management·John H Wasson
Aug 27, 2019·The Journal of Ambulatory Care Management·Andrea M AustinPaul J Barr
Dec 10, 2020·International Journal of Mental Health Systems·C EeJ Sarris

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