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The in-hospital interval: a description of EMT time spent in the emergency department.

机译：住院时间间隔：描述急诊室花费的EMT时间。

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OBJECTIVE: We conducted a time-motion study of emergency medical technician (EMT) flow in an urban, academic emergency department (ED). Our objective was to describe the activity of the EMTs during their time in the ED. Secondary objectives included the association of time of day, age, and triage code with the various time intervals. METHODS: In this descriptive study, we combined information from two databases: prospectively collected time-motion data of EMTs presenting to one ED and an electronically collected prehospital call database of time data. The pretriage, triage, and posttriage time intervals were calculated, as well as total time spent in the ED as a proportion of total call time. Mean times with 95% confidence intervals (CIs) were reported. Analysis of variance was performed to examine the associations of time of day, age, and triage code with time intervals. RESULTS: Data were available for 152 calls. The mean pretriage interval was 8.79 (95% CI, 7.55-10.04) minutes, the mean triage interval was 5.14 (95% CI, 4.49-5.79) minutes, and the mean posttriage interval was 31.33 (95% CI, 29.08-33.58) minutes. The proportion of the total call time that was spent in the ED was 45%. Subgroup analysis showed significant differences only between total time spent in the ED in the 7:30-10:00 AM period as compared with the other periods. CONCLUSIONS: More time was spent in the pretriage and posttriage intervals as compared with the triage interval. Further time-motion studies in the ED will be necessary to plan interventions aimed at decreasing the time spent in-hospital by EMTs.
机译：目的：我们在城市学术急诊室（ED）中对急诊医疗技术人员（EMT）的流动进行了时动研究。我们的目的是描述EMT在ED中的活动。次要目标包括将时间，年龄和分类代码与各个时间间隔相关联。方法：在这项描述性研究中，我们结合了来自两个数据库的信息：前瞻性地收集呈现给一个急诊室的EMT的时间运动数据和电子收集的时间数据的院前呼叫数据库。计算分诊前，分诊和分诊后的时间间隔，以及在ED中花费的总时间占总呼叫时间的比例。报告了具有95％置信区间（CI）的平均时间。进行方差分析以检查时间，年龄和分类代码与时间间隔的关联。结果：有152个电话的数据可用。平均分诊前间隔为8.79（95％CI，7.55-10.04）分钟，平均分诊间隔为5.14（95％CI，4.49-5.79）分钟，平均分诊后间隔为31.33（95％CI，29.08-33.58）分钟。在ED中花费的总通话时间比例为45％。亚组分析显示，仅在7：30-10：00 AM期间在ED中花费的总时间与其他期间相比有显着差异。结论：与分诊间隔相比，在分诊前和分诊后间隔中花费了更多的时间。在急诊室中需要进行进一步的时间运动研究，以计划旨在减少EMT在医院花费的时间的干预措施。

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