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- W2017092941 abstract "Background: Patients with complex health needs are increasingly the focus of health system redesign. Objective: To characterize complex patients, as defined by their primary care physicians (PCPs), and to compare this definition with other commonly used algorithms. Design: Cohort study. Setting: 1 hospital-based practice, 4 community health centers, and 7 private practices in a primary care network in the United States. Participants: 40 physicians who reviewed a random sample of 120 of their own patients. Measurements: After excluding patients for whom they were not directly responsible, PCPs indicated which of their patients they considered complex. These patients were characterized, independent predictors of complexity were identified, and PCP-defined complexity was compared with 3 comorbidity-based methods (Charlson score, Higashi score, and a proprietary Centers for Medicare & Medicaid Services algorithm). Results: Physicians identified 1126 of their 4302 eligible patients (26.2%) as complex and assigned a mean of 2.2 domains of complexity per patient (median, 2.0 [interquartile range, 1 to 3]). Mental health and substance use were identified as major issues in younger complex patients, whereas medical decision making and care coordination predominated in older patients (P < 0.001 for trends by decade). Major independent predictors of PCP-defined complexity (P < 0.001) included age (probability of complexity increased from 14.8% to 19.8% with age increasing from 55 to 65 years), poorly controlled diabetes (from 12.7% to 47.6% if hemoglobin A1c level ≥9%), use of antipsychotics (from 12.7% to 31.8%), alcohol-related diagnoses (from 12.9% to 27.4%), and inadequate insurance (from 12.5% to 19.2%). Classification agreement for complex patients ranged from 26.2% to 56.0% when PCP assignment was compared with each of the other methods. Limitation: Results may not be generalizable to other primary care settings. Conclusion: Primary care physicians identified approximately one quarter of their patients as complex. Medical, social, and behavioral factors all contributed to PCP-defined complexity. Physician-defined complexity had only modest agreement with 3 comorbidity-based algorithms. Primary Funding Source: Partners Community Healthcare, Inc." @default.
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- W2017092941 date "2011-12-20" @default.
- W2017092941 modified "2023-09-27" @default.
- W2017092941 title "Defining Patient Complexity From the Primary Care Physician's Perspective" @default.
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- W2017092941 doi "https://doi.org/10.7326/0003-4819-155-12-201112200-00001" @default.
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