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首页> 外文期刊>Prehospital emergency care >Influence of ambulance arrival on emergency department time to be seen.
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Influence of ambulance arrival on emergency department time to be seen.

机译：可以看到救护车的到来对急诊科时间的影响。

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Objectives. For a limited number of presenting complaints, arrival by ambulance has been shown in some emergency departments to decrease time to be seen by a physician. We sought to determine if this time advantage could be demonstrated as a national trend over a variety of presenting complaints. Methods. A secondary analysis was performed on the National Hospital Ambulatory Medical Care Survey, a national probability sample of emergency department visits. To compare waiting times between patients arriving by ambulance and those arriving by walk-in, a survival analysis was performed using univariate and multivariate Cox proportional hazards models. Primary variables of interest were mode of arrival, waiting time to see physician, and immediacy to be seen (triage category). The weighted values were utilized to produce national estimates. Patients who left without being seen were treated as right censored data. Results. A total of 61,130 records, weighted to represent 268.3 million emergency department visits from 1997 to 2000, were included in the analysis. Patients arrived by ambulance in 14.4% of these cases. Median wait time for patients arriving by ambulance was 14.1 minutes (95% confidence interval [CI], 4.3 to 34.2) as compared with 26.0 minutes (95% CI, 11.5 to 55.1) for patients who arrived by walk-in. In the multivariate analysis, arrival by ambulance offered a 25.0% (95% CI, 19.0% to 31.6%) time advantage over walk-in and a 40.8% (95% CI, 23.5% to 58.7%) time advantage over arrival by public service. Conclusions. Arrival by ambulance offered a time to be seen advantage for a broad range of presenting complaints in the National Hospital Ambulatory Medical Care Survey across all triage categories. Key words: ambulance; EMS; emergency medical services; survival analysis; waiting time.
机译：目标。对于数量有限的主诉，在某些急诊科中已经显示出了通过救护车到达的情况，以减少医生看病的时间。我们试图确定这种时间优势是否可以证明是对各种提出投诉的国家趋势。方法。对国家医院门诊医疗调查进行了二级分析，这是急诊就诊的全国概率样本。为了比较通过救护车到达的患者和通过步入式到达的患者之间的等待时间，使用单变量和多变量Cox比例风险模型进行了生存分析。感兴趣的主要变量是到达方式，看医生的等待时间和要看的即时性（分类分类）。加权值用于产生国家估算。那些没有被发现的左患者被视为右审查数据。结果。分析中总共包括61,130条记录，权重代表1997年至2000年急诊部门的2.683亿次访问。在这些病例中，有14.4％是通过救护车到达的。急救车到达病人的中位等待时间为14.1分钟（95％置信区间[CI]为4.3至34.2），而步入式到达病人的等待时间为26.0分钟（95％CI为11.5至55.1）。在多变量分析中，通过救护车到达的时间优势比步入式快25.0％（95％CI，19.0％至31.6％），比通过公共场所到达的时间优势高40.8％（95％CI，23.5％至58.7％）。服务。结论。在所有分诊类别的国家医院门诊医疗调查中，通过救护车抵达提供了一个机会，使人们有机会看到大量投诉。关键词：救护车EMS;紧急医疗服务;生存分析;等待的时间。

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