Document Classification

Section Type: RESULTS

Text: Sildenafil reduced the heart rate (HR) (bpm) before the 6'WT (from 75 + / -15 to 71 + / -14, P = 0. 02) and ET (from 75 + / -15 to 71 + / -15, P = 0. 02) ; the systolic blood pressure (mm Hg) before the 6'WT (from 116 + / -18 to 108 + / -18, P = 0. 004) and ET (from 116 + / -15 to 108 + / -17, P = 0. 001) ; the diastolic blood pressure before the 6'WT (from 69 + / -9 to 63 + / -11, P = 0. 01) and ET (from 70 + / -8 to 65 + / -10, P = 0. 004) ; and the Ve/VCO2 slope during the 6'WT (from 32 + / -7 to 31 + / -6, P = 0. 04) and ET (from 33 + / -8 to 31 + / -5, P = 0. 03).