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. 2012 Mar 2;2(2):e000322. doi: 10.1136/bmjopen-2011-000322

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© 2012, Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://group.bmj.com/group/rights-licensing/permissions.

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Long-term mortality according to gender and renal function. The upper panel shows the Kaplan–Meier curves in male patients and the lower panel in female patients. p Value by the log-rank test for overall comparison.