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Validation of using ems dispatch codes to identify low-acuity patients.

机译：使用ems调度代码来识别低敏患者的验证。

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Objective. To validate the predictive ability of previously derived emergency medical services (EMS) dispatch codes to identify patients with low-acuity illnesses. Methods. This prospective descriptive study was conducted in Rochester, New York. An expert panel reviewed and modified a previously derived set of low-priority EMS dispatch codes. Patients assigned these 21 codes between July 2002 and June 2003 were included for further analysis. Dispatch data and level of EMS care were recorded for each dispatch code. The proportion of low-acuity patients (i.e., those who received only basic life support (BLS) care or those who were not transported using lights and sirens) was determined using previously established definitions. Codes were defined as associated with low-acuity patients if the lower bound of the 95% confidence interval (CI) exceeded 90%. Medical records for patients identified as high-acuity were reviewed to evaluate whether the advanced life support (ALS) level care that was provided had aclinical impact. Results. Emergency medical services cared for 43,602 patients during the study, and 7,540 were dispatched as low-priority. We found that 7,197 (95%; 95% CI: 95-96%) of these patients met low-acuity criteria and that 11 of the evaluated codes were validated, with low-acuity care provided at least 90% of the time. Of the 343 patients identified as high-acuity, 62 (18%; 95% CI: 14-23%) were determined to have received interventions that had a clinical impact. Conclusions. This study prospectively validates 11 EMS dispatch codes as being associated with low-acuity patients. These codes could be used to triage EMS patients based on dispatch information.
机译：目的。为了验证先前派生的紧急医疗服务（EMS）调度代码的预测能力，以识别患有低敏疾病的患者。方法。这项前瞻性描述性研究在纽约罗切斯特进行。一个专家小组审查并修改了先前派生的一组低优先级EMS调度代码。在2002年7月至2003年6月之间分配了这21个密码的患者被纳入进一步分析。记录每个调度代码的调度数据和EMS护理级别。低视力患者的比例（即仅接受基本生命支持（BLS）护理的患者或未使用灯光和警报器运送的患者）的比例是根据先前建立的定义确定的。如果95％置信区间（CI）的下限超过90％，则将代码定义为与低敏患者相关。审查了确定为高敏患者的病历，以评估所提供的高级生命支持（ALS）级护理是否具有临床影响。结果。在研究期间，急救医疗服务了43,602名患者，其中低优先级被派遣了7,540名患者。我们发现这些患者中有7,197名（95％; 95％CI：95-96％）符合低敏标准，并且评估了11项评估规范，至少90％的时间提供了低敏护理。在343位被确认为高敏患者中，有62位（18％; 95％CI：14-23％）被确定接受了具有临床影响的干预措施。结论。这项研究前瞻性地验证了与低敏患者相关的11个EMS调度代码。这些代码可用于根据调度信息对EMS患者进行分类。

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