Interrupted time series design to evaluate ICD-9-CM to ICD-10-CM coding changes on trends in Colorado emergency department visits related to traumatic brain injury

采用中断时间序列设计评估 ICD-9-CM 到 ICD-10-CM 编码变化对科罗拉多州急诊科创伤性脑损伤就诊趋势的影响