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. 2016 Feb 15;5:e10. doi: 10.1017/jns.2015.38

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© The Author(s) 2016

This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited

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Fig. 1. — Incidence of postoperative atrial fibrillation (POAF) according to dichotomised preoperative plasma levels of 25-hydroxyvitamin D₂ (25(OH)D₂), 25(OH)D₃, and total 25(OH)D in patients undergoing open heart surgery. Median levels ≥1·1 nmol/l for 25(OH)D₂; ≥45·9 nmol/l for 25(OH)D₃; ≥47·1 nmol/l for total 25(OH)D. Data were analysed by Pearson's χ². , Below median; ■, above median.

Inline graphic — Incidence of postoperative atrial fibrillation (POAF) according to dichotomised preoperative plasma levels of 25-hydroxyvitamin D₂ (25(OH)D₂), 25(OH)D₃, and total 25(OH)D in patients undergoing open heart surgery. Median levels ≥1·1 nmol/l for 25(OH)D₂; ≥45·9 nmol/l for 25(OH)D₃; ≥47·1 nmol/l for total 25(OH)D. Data were analysed by Pearson's χ². , Below median; ■, above median.