COVID-19 Data Drift
Feature importance shifted during the pandemic, with opioid dose becoming more important than age for the pre-pandemic model on pandemic data. COVID-19-era structural changes altered administrative data patterns used by opioid prognostic m…
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Feature importance shifted during the pandemic, with opioid dose becoming more important than age for the pre-pandemic model on pandemic data. COVID-19-era structural changes altered administrative data patterns used by opioid prognostic models. The study attributed drift primarily to healthcare system disruptions rather than changes in the population receiving opioids. Unmeasured pandemic-related factors compounded measured drift in prescription-based models.