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首页> 外文期刊>Health services management research: an official journal of the Association of University Programs in Health Administration >Spotting the pantomime villain: do the usual approaches correctly indicate when waiting times got shorter?
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Spotting the pantomime villain: do the usual approaches correctly indicate when waiting times got shorter?

机译：发现:这个反面角色一般方法正确指示时等待时间变短?

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摘要

To assess whether changes in length of wait are correlated (directly) with changes in size of list, i.e. whether census-, event- and enrolment-based estimates of the percentage that waited 0-2 months are valid measures. EyeNet Sweden supplied dates of extraction and enrolment for 1,061,246 cataracts extracted between 1992 and 2009 inclusive. Changes in size of list were calculated as enrolments minus extractions. Fifty-nine times out of 62 the enrolment-based measure reported an increase in length of wait when size of list increased or a decrease in length when size decreased (L(B) = 90%, 95% confidence interval = 80-100). But 47 times out of 62 the event-based measure reported a decrease in length of wait when size of list increased, or an increase in length when size decreased (L(B) = 40%, 95% confidence interval = 6-74). The census-based measure did likewise 34 times out of 63 (L(B) = 6%). The three approaches gave different results despite using the same combination of cohorts and categories, the same point on the distribution of waits, the same rules about which waits (and which parts of these) count and the same length of follow-up. Census- and event-based measures often concealed the true direction of change in length of wait.
机译：评估是否变化的长度等(直接)和大小的变化相关列表,即是否普查、事件enrolment-based估计的百分比等待0 - 2个月是有效的措施。瑞典提供日期提取和招生1992年之间的1061246年白内障提取和2009年的包容性。计算生源-痛苦。从62年,enrolment-based 59倍测量报告的长度的增加等当列表的大小增加或减少长度大小减少(L (B) = 90%, 95%置信区间= 80 - 100)。62年的基于事件的措施则有所减少等大小的列表的长度增加,或长度的增加,当规模下降(L (B) =40%、95%置信区间= 6 - 74)。census-based测量做了同样的34倍63 (L (B) = 6%)。尽管使用相同的不同的结果军团和类别,一样的点的分布等,是一样的等待(以及哪些部分的规则这些)计数和后续的长度相同。人口普查——和基于事件的措施往往隐藏的真实长度变化的方向等。

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