Rest and post-exercise sPAP
There was a trend toward higher rest sPAP in the PAH and non-PAH groups than the controls. Rest sPAP did not significantly differ between the non-PAH and PAH groups; however, significant differences in post-exercise, post 3-min and post 5-min sPAP were found between the non-PAH and PAH groups (p < 0.0001) ). The recovery of sPAP was slower in the PAH group than the other groups.