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Development and Validation of a Measure Identifying Patients With Obesity by BMI Without an Official Diagnosis
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DOI：10.1210/clinem/dgaf464.png)
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Abstract
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Background Obesity is a chronic disease with significant health risks that remains underdiagnosed in clinical settings. This study developed and validated a clinical process measure to identify patients with obesity, defined by body mass index, who lack a formal diagnosis in their electronic health record (EHR) problem list.Methods The measure was pilot-tested across 6 medical groups (124 clinics, 3483 providers). Reliability was assessed at the clinic and provider levels using the beta-binomial model. Predictive validity was evaluated by comparing 1-year weight change in patients with and without an obesity diagnosis.Results Across 6 participating medical groups, a total of 295 372 eligible patients were identified between January 1 and December 31, 2022. Obesity diagnosis rates ranged from 37.6% to 50.8%. In a predictive cohort of 1132 patients with at least 1 follow-up weight recorded within the year following the index visit, those with a documented obesity diagnosis lost an average of 0.34 pounds, whereas those without gained 1.78 pounds (P = .026). Reliability was high (clinic-level: 0.97; provider-level: 0.89), demonstrating consistent performance.Discussion Findings highlight the clinical importance of documenting obesity in the EHR. Patients with an obesity diagnosis were more likely to lose weight, supporting the measure's predictive validity. This measure addresses gaps in obesity care, promoting early identification, targeted interventions, and better outcomes. Its feasibility as an EHR-based measure enhances adaptability across healthcare settings.Conclusion Implementing this measure can facilitate systematic obesity management, align with public health priorities, and improve patient care by integrating obesity recognition into routine clinical practice.
Keywords:
obesity recognition
process measure
predictive validity
documentation gaps
weight change outcomes
EHR-based measurement
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