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. 2018 Jun 5;18:172. doi: 10.1186/s12888-018-1689-8

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© The Author(s). 2018

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 3 — a + b The revised model of the associations between somatization, fear of body sensations, cardiac anxiety, depressive symptoms, and healthcare use in patients with non-cardiac chest with (a Chi-Square = 9.69, df = 10, P-value = 0.46772, RMSEA = 0.000, CFI = 0.99) and without history of cardiac disease (b Chi-Square = 4.25, df = 7, P-value = 0.75067, RMSEA = 0.000, CFI = 0.99). BSQ Body Sensations Questionnaire, CAQ Cardiac Anxiety Questionnaire, PHQ-9 Patient Health Questionnaire-9, PHQ-15 Patient Health Questionnaire-15