J Korean Acad Nurs JKAN Journal of Korean Academy of Nursing 2005-3673 2093-758X Korean Society of Nursing Science 10.4040/jkan.2012.42.3.414 Original Article Development and validation of the Korean Nursing Delirium Scale Kim Kyoung-Nam 1 Kim Cheol-Ho 2 Kim Kwang-Il 3 Yoo Hyun-Jung 4 Park Si-Young 4 Park Yeon-Hwan 5 Assistant Director, Department of Nursing, Seoul National University Bundang Hospital, Bundang, South Korea. Professor, Geriatric Center, Seoul National University Bundang Hospital & Department of Internal Medicine, Seoul National University College of Medicine, Bundang, South Korea. Associate Professor, Geriatric Center, Seoul National University Bundang Hospital & Department of Internal Medicine, Seoul National University College of Medicine, Bundang, South Korea. Coordinator, Geriatric Center, Seoul National University Bundang Hospital, Bundang, South Korea. Associate Professor, College of Nursing & The Research Institute of Nurisng Science, Seoul National University, Seoul, South Korea. Address reprint requests to: Park, Yeon-Hwan. College of Nursing, Seoul National University, 28 Yeongeon-Dong, Jongro-Gu, Seoul 110-799, South Korea. Tel: +82-2-740-8846, Fax: +82-2-765-4103, hanipyh@snu.ac.kr 06 2012 29 06 2012 42 3 414 423 05 08 2011 29 05 2012 © 2012 Korean Society of Nursing Science 2012 Purpose

The aims of this study were to develop and test the validity of the Korean Nursing Delirium Scale (Nu-DESC) for older patients in hospital.

 Methods

The Korean Nu-DESC was developed based on the Nu-DESC (Gaudreau, 2005), and revised according to nursing records related to signs and symptoms of older patients with delirium (n=361) and the results of a pilot study (n=42) in one general hospital. To test the validity of the Korean Nu-DESC, 75 older patients whom nurses suspected of delirium from 731 older patients from 12 nursing units were assessed by bedside nurses using the Korean Nu-DESC. A Receiver Operating Characteristic Curve of the Korean Nu-DESC was constructed with an accompanying Area Under the Curve (AUC).

 Results

Specific examples such as irritable, kidding, sleeping tendency, which were observed by bedside nurses in Korea, were identified in the five features of signs and symptoms of delirium in the instrument. The Korean Nu-DESC was psycho-metrically valid and had a sensitivity and specificity of .81-.76 and .97-.73, respectively. The AUC were .89, .74.

 Conclusion

Results of this study indicate that the Korean Nu-DESC is well-suited for widespread clinical use in busy inpatients settings and shows promise as a research instrument.

 Delirium Screening Aged Nursing

This work was supported by research grant from the Geriatric center, Seoul National University Bundang Hospital in 2010.

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Korean Nursing Delirium Screening Scale (Nu-DESC).

Receiver Operating Characteristic (ROC) curves of the power of two methods to discriminate between delirium screening according to Korean Nu-DESC.

Specific Examples of Five Features in Sign and Symptoms of Delirium (N=361)

General Characteristics of Older Patients in the 3rd Step (N=731)

OPD=Out patient department; ER=Emergency room.

Validation of the Korean Nursing Delirium Scale (Nu-DESC) (N=75)

AUG=Area under the curve; CI=Confidence interval.