Author(s)

Mitsumi Masuda¹, Hidenori Ohishi², Noriko Terunuma³, Ikuko Tojima³

¹Department of Critical Care Nursing, Graduate School of Nursing, Kitasato University, Tokyo, Japan.
²Department of Medical Science, Graduate School of Medicine, Juntendo University, Tokyo, Japan.
³Nursing Department, Juntento University Hospital, Tokyo, Japan.

A measure called the Uncertainty in Unruptured Intracranial Aneurysm Patients Undergoing Endovascular Coiling Scale (UUIACS) was developed and its validity and reliability were examined. The 49 questions that comprised the original draft of the UUIACS were created based on interview data. Based on data from 172 participants, exploratory and confirmatory factor analyses were conducted. As a result of exploratory factor analysis, the UUIACS e retained 17 items and extracted four factors (“Lack of decision-making cues”, “Lack of information and complexity of information interpretation”, “The ambiguous nature of the disease”, and “The unpredictable living with UIA”). All of the UUIACS items showed adequate internal consistency. Between the UUIAC scale and the Universal Uncertainty in Illness Scale (UUIS), the Health Locus of Control (HLC) scale, and the SF-36v2^® (Japanese version), positive correlations were found between the UUIACS and UUIS, and the HLC scale at a 1% significance level indicating concurrent validity. According to confirmatory factor analysis, the UUIACS had an acceptable goodness of fit. Given these findings, the UUIACS was judged to have satisfied the criteria for use in a clinical setting, although further investigation was required.

Unruptured Intracranial Aneurysms, Endovascular Coiling, Uncertainty Scale

Masuda, M. , Ohishi, H. , Terunuma, N. and Tojima, I. (2015) Developing a Scale for Measuring Uncertainty in Patients with Unruptured Intracranial Aneurysms Undergoing Endovascular Coiling. Open Journal of Nursing, 5, 917-926. doi: 10.4236/ojn.2015.510097.