Systolic and diastolic blood pressure ( BP ) changes did not significantly differ between the two groups ( systolic BP change -3.3 17.3 mm Hg vs -2.3 19.4 mm Hg ; P = .83 and diastolic BP change -1.9 12.2 mm Hg vs. 2.0 13.4 mm Hg ; P = .23 ) .