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KMID : 1155220150400010037
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Journal of the Korean Society of Health Information and Health Statistics
2015 Volume.40 No. 1 p.37 ~ p.49
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A Study on Blood Inventory Management based on Statistical Quality Control Chart
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Ko Chan-Kyu
Kim Min-Kyung
Yang Won-Mo
Jeong Mun-Yeong
Hwang Hyuung-Tae
Lee Sung-Im
Kang Ju-Hyeong
Oh Jin-A
Choi Young-Sill
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Abstract
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Objectives: The purpose of this report is to monitor the status of blood management based on blood supply, usage, and wastage data provided by Korea Blood Inventory Monitoring System (KBIMs).
Methods: KBIMs is the ongoing national surveillance system for blood management. The current report includes data from 25 sentinel hospitals during 2009-2012 years. In this sample, the data collected in each hospital were summed and defined on the weekly basis for the use of the control chart.
Results: Since the amount of blood usage covers over 99 percent of the supply, they appear to have similar control chart patterns. Blood type A, B and O show obvious shifts in mean supply and usage which occur beyond the center line in 2012. Blood wastage is out of control in 2010 and 2012. Interestingly, this does not occur in the winter season and the pattern of blood wastage has significant seasonal difference (p=0.001).
Conclusions: Findings suggest that the blood usage has an increasing tendency in all blood types except AB in 2012, while blood wastage has seasonal variations. Even though such state may not stay the same, this analysis provides enough warrants for further study.
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KEYWORD
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Korea blood inventroy monitoring system, Blood management, Statistical quality control, Control chart
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