In the 2-mg/kg PSE dose trial , there were insignificant changes in peak systolic BP of +2.4 mm Hg ( p = 0.559 ) , +3.8 mm Hg in peak diastolic BP ( p = 0.106 ) , +1.6 beats/min in peak pulse ( p = 0.586 ) , -0.1 in peak Borg RPE scales ( p = 0.76 ) , -10.4 s in time to exhaustion ( p = 0.41 ) , and +1.79 ml/kg/min in VO2max ( p = 0.43 ) .
