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A Method for Estimating Relative Complexity of Ambulatory Care

机译:一种门诊相对复杂度的估算方法

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摘要

>PURPOSE We wanted to demonstrate a method for calculating the relative complexity of ambulatory clinical encounters.>METHODS Measures of complexity should reflect the complexity of the typical encounter and across encounters. If inputs represent the information transferred from the patient to the physician, then inputs include history, physical examination, testing, diagnoses, and patient demographics. Outputs include medications prescribed and other therapies used, including education and counseling, procedures performed, and disposition. The complexity of each input/output is defined as the mean input/output quantity per clinical encounter weighted by its inter-encounter diversity (range of possibilities used) and variability (visit-to-visit change). In complex systems, as the information in the input increases linearly, the complexity of the system increases exponentially. To assess the impact of the complexity of the encounter on the physician, we adjusted the estimated complexity by the duration-of-visit.>RESULTS Using the 2000 NAMCS database, we calculated input and output complexities for 3 specialties. Construct validity was affirmed by comparing the relative rankings of complexity against relative rankings using other complexity-related measures. Although total relative complexity was similar for family medicine (44.04 ± 0.0024 SE) and cardiology (42.78 ± 0.0004 standard error [SE]), when adjusted for duration-of-visit, family medicine had a greater complexity density per hour (167.33 ± 0.0095 SE) than either cardiology (125.4 ± 0.0117 SE) or psychiatry (31.21 ± 0.0027 SE).>CONCLUSIONS This method estimates complexity based on the amount of care provided weighted by its diversity and variability. Such estimates could have broad use for interphysician comparisons as well as longitudinal applications.
机译:>目的我们想演示一种计算门诊临床遭遇的相对复杂性的方法。>方法复杂性的度量应反映典型遭遇和跨遭遇的复杂性。如果输入代表从患者转移到医生的信息,则输入包括病史,体格检查,测试,诊断和患者人口统计信息。输出包括处方药和使用的其他疗法,包括教育和咨询,执行的程序以及处置。每个输入/输出的复杂性定义为每次临床遭遇的平均输入/输出量,该平均输入/输出量由其在事件之间的多样性(使用的可能性范围)和可变性(每次访问变化)加权。在复杂的系统中,由于输入中的信息线性增加,因此系统的复杂度呈指数增长。为了评估遇到的复杂性对医生的影响,我们通过访问持续时间调整了估计的复杂性。>结果使用2000 NAMCS数据库,我们计算了3个专业的输入和输出复杂性。通过使用其他与复杂性相关的度量将复杂性的相对等级与相对等级进行比较,可以确认构造的有效性。尽管家庭医学(44.04±0.0024 SE)和心脏病学(42.78±0.0004标准误[SE])的总相对复杂度相似,但在进行持续时间调整后,家庭医学每小时的复杂度更高(167.33±0.0095) SE),而不是心脏病学(125.4±0.0117 SE)或精神病学(31.21±0.0027 SE)。>结论这种方法是根据提供的护理数量(通过其多样性和可变性加权)来估算复杂性。这样的估计可以广泛用于医师之间的比较以及纵向应用。

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