Ann Surg Treat Res.  2016 Jan;90(1):43-48. 10.4174/astr.2016.90.1.43.

Reliability and validity of Korean version of modified: Yale preoperative anxiety scale

• Jung K
• Im MH
• Hwang JM
• Oh AY
• Park MS
• Jeong WJ
• Kim SC
• Jung SW
• Sohn H
• Yoon MO
• Jang MS
• Moon SB

• KMID: 2149931
• DOI: http://doi.org/10.4174/astr.2016.90.1.43

Abstract

PURPOSE
The modified Yale Preoperative Anxiety Scale (mYPAS) was developed for evaluating the level of preoperative anxiety in children. The purpose of this study was to develop a Korean version of the mYPAS (K-mYPAS) and to establish its validity and reliability based on the Korean preoperative pediatric patients.
METHODS
K-mYPAS was made through stringent back-translation procedure. Total enrolled 102 patients answered questionnaires of Korean version of State-Trait Anxiety Inventory for Children (K-STAIC), and were videotaped for 2 to 5 minutes before induction of anesthesia. Three observers of experienced psychiatrist, surgeon, and nurse analyzed videotape with K-mYPAS comparing to K-STAIC. The inter- and intraobservers reliability, concurrent and construct validity, sensitivity, specificity, and predictive value were analyzed.
RESULTS
The value of Cronbach alpha for interobservers reliability was 0.939 and intraobserver reliability was statistically significant (P < 0.001). Concurrent and construct validity were also statistically significant (P < 0.001 and P < 0.001, respectively). Sensitivity, specificity, positive predictive value, negative predictive value, and accuracy were 81.3%, 91.4%, 81.3%, 91.4%, and 88.2%, respectively.
CONCLUSION
The K-mYPAS had good psychometric properties and can be used as a reliable and valid instrument for the assessment of preoperative anxiety in children.

Keyword

Anxiety; Scale; Korean

MeSH Terms

Anesthesia
Anxiety*
Child
Humans
Psychiatry
Psychometrics
Reproducibility of Results*
Sensitivity and Specificity
Videotape Recording

Figure

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  Fig. 1 Diagram of enrolled patients.

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  Fig. 2 Diagram of translate-back translate procedure. mYPAS, modified Yale Preoperative Anxiety Scale; K-mYPAS, Korean version of the mYPAS.

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  Fig. 3 The receiver operating characteristic curve for the prediction of the diagnosis of high anxiety using Korean version of the modified Yale Preoperative Anxiety Scale. AUC, area under the curve.

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