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KMID : 0604020150300010008
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Korean Journal of Critical Care Medicine
2015 Volume.30 No. 1 p.8 ~ p.12
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The Inter-Rater Reliability of Simplified Acute Physiology Score 3 (SAPS3) among Intensive Care Unit Nurses
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Kim Jun-Hyun
Kim Ji-Yeon
Kim Won-Il
Kim Kyung-Woo
Lee Sang-Il
Kim Kyung-Tae
Park Jang-Su
Choe Won-Joo
Kim Jung-Won
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Abstract
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Background: Simplified acute physiology score 3 (SAPS3) was developed in 2005 to evaluate intensive care unit (ICU) performanceand to predict patient mortality or disease severity. The score is usually calculated by doctors, but it requires substantial human resources.And many nurse-lead studies use this scoring system. In the present study, we examined the inter-rater reliability of SAPS3among nurses in an ICU.
Methods: Five ICU nurses who worked in an ICU for a mean length of 7.8 years were educated for 2 hours about SAPS3 score and itscomponents. Each nurse scored 26 patients, and the intraclass correlation coefficient (ICC) of the total scores and each subset wereevaluated.
Results: The ICC (95% confidence interval) of SAPS3 score was 0.89 (0.82-0.95), that of subset I was 0.90 (0.82-0.95), subset II was 0.54(0.35-0.73), and subset III was 0.95 (0.91-0.97). The ICC of predicted mortality was 0.91 (0.85-0.96).
Conclusions: The ICC of SAPS3 score and predicted mortality among ICU nurses were reliable. According to these ICC values, SAPS3score is a reliable scale to be used by nurses. The ICC of subset II was lower than those of the other subsets, suggesting that educationof SAPS3 should focus on the definition of each subset II component.
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KEYWORD
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critical care, intensive care units, observer variation, severity of illness index
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