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LV L. M. de Vries
WD W. A. Dijk
CH C. A. M. Hooijschuur
ML M. J. G. Leening
BS B. H. C. Stricker
NH N. M. van Hemel
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We computed straightforward descriptive statistics for the aetiology, pacemaker types, and the prevalences of symptoms and ECG characteristics as percentages of all first implantations. For implantation rates, we calculated Poisson intervals. For the comparison of normally distributed continuous determinants, we used independent samples T‑tests while categorical determinants were compared with chi-square statistics. All statistical analyses were performed in IBM SPSS Statistics version 20.0 (IBM Corp., Somers, New York, USA).

Copyright and License information: The Author(s) ©2016
Open Access This 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.

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