Number-between g-type statistical quality control charts for monitoring adverse events

被引:75
作者
Benneyan J.C. [1 ]
机构
[1] 334 Snell Engineering Center, Northeastern University, Boston
基金
美国国家科学基金会;
关键词
Adverse events; Control charts; g charts; Geometric distribution; Healthcare; SPC;
D O I
10.1023/A:1011846412909
中图分类号
学科分类号
摘要
Alternate Shewhart-type statistical control charts, called "g" and "h" charts, are developed and evaluated for monitoring the number of cases between hospital-acquired infections and other adverse events, such as heart surgery complications, catheter-related infections, surgical site infections, contaminated needle sticks, and other iatrically induced outcomes. These new charts, based on inverse sampling from geometric and negative binomial distributions, are simple to use and can exhibit significantly greater detection power over conventional binomial-based approaches, particularly for infrequent events and low "defect" rates. A companion article illustrates several interesting properties of these charts and design modifications that significantly can improve their statistical properties, operating characteristics, and sensitivity. © 2001 Kluwer Academic Publishers.
引用
收藏
页码:305 / 318
页数:13
相关论文
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