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. 2017 Aug 29;17:427. doi: 10.1186/s12906-017-1939-1

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© The Author(s). 2017

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. 1 — Flow recruitment chart of patients with dysfunctional uterine bleeding (DUB). We identified the newly diagnosed DUB patients from 1997 to 2000 from one million randomly selected subjects of the National health insurance research database (NHIRD) in Taiwan. Of identified 57,212 patients, 51,354 patients with at least 2 claims were included. After excluding patients according to the excluding criteria, we included 46,339 patients and separated them into TCM and non-TCM seekers according to whether they received TCM treatment or not after the initial diagnosis of DUB