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Hsieh, Meng-Hsuan*

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Journal of the Chinese Medical Association: May 2017 - Volume 80 - Issue 5 - p 328
doi: 10.1016/j.jcma.2017.02.005

    Dear Editor,

    We thank Wang et al. (Letter to editors: Anxiety can be reduced by music during colonoscopy examination, but effect may be varied by music styles)1 for their thoughtful comments, and we reply with the following responses.

    In our manuscript,2 we described that the data for some patients were incomplete, and therefore these patients were excluded from this study. Included among those who did not have complete data were patients who dropped out because they did not complete the colonoscopy examination procedure, and therefore did not receive the State-Trait Anxiety Inventory (STAI) questionnaires. However, we did not describe this condition in any detailed way in our manuscript.

    In fact, the study did not evaluate patient STAI scores before the procedure. Because there was no established baseline before the procedure to use for comparison, we believe this to be a limitation of this study. For related studies in the future, patients will also be asked to complete the STAI questionnaire before the procedure.

    In this study, two physicians were involved in the procedure, and the time necessary for every procedure varied according to each patient's condition. Moreover, although biopsy was performed during some of the colonoscopy examinations, there were few cases. Noise factors were not discussed in detail because this condition is not easy to evaluate. Ultimately, we believe that this issue is important to the quality of patient care; for related studies in the future, we will pay attention and evaluate the impact of noise factor.

    Conflicts of interest

    The author declares that he has no conflicts of interest related to the subject matter or materials discussed in this article.

    References

    1. Wang KC, Lee WL, Wang PH. Anxiety can be reduced by music during colonoscopy examination, but effect may be varied by music styles. J Chin Med Assoc. 2017;80:326-327.
    2. Ko CH, Chen YY, Wu KT, Wang SC, Yang JF, Lin YY, et al. Effect of music on level of anxiety in patients undergoing colonoscopy without sedation. J Chin Med Assoc. 2017;80:154-160.
    © 2017 by Lippincott Williams & Wilkins, Inc.