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Cancellation and modification trends by alert type and seasonality. Trends for Dose alerts (solid line) and Drug-Drug alerts (dot-dash line) exceeded trend for Drug-Allergy alerts (dashed line). Results adjusted for longitudinal correlation using generalized linear mixed model (see Methods). Predicted probabilities for each trend were obtained from a logistic regression model that included Year, Season, Alert Type, and the interaction of Alert Type and Season.
