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. 2011 May 24;1(1):e000085. doi: 10.1136/bmjopen-2011-000085

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© 2011, 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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Individual values for sympathovagal balance (LF/HF). There was no significant difference at baseline between groups. There was a decrease in LF/HF from baseline to 4 months due to a significant decrease in the yoga group (p<0.001, intra-group paired t test for repeated measures). HF, high frequency component of heart rate variability; LF, low frequency component of heart rate variability. Data are expressed as means±SD.