Variable
Total N= 72 PHTN with significant RV dysfunction n= 22 PHTN without significant RV dysfunction n= 25 Control n= 25
P
BSA (m2) 1.71±0.15 1.71±0.14 1.70±0.16 1.70 (0.17) 0.736ǂ
S (m/s) 57.81±22.34 43.00 (21.75)ab 58.71±18.82b 59.50 (33.00)a 0.003*ǂ
D (m/s) 49.15±19.46 51.50 (23.75)cd 44.32±18.89d 46.16±21.01c 0.008*ǂ
A (m/s) 42.11±12.76 45.59±10.04e 48.84±11.37ef 30.00 (8.50)f <0.001*ǂ
S/S+D 0.54±0.11 0.44±0.07gh 0.57±0.11h 0.60±0.08g <0.001*†
S/D 1.31±0.55 0.83±0.23ij 1.48±0.57j 1.56±0.47i <0.001*†
A/S 0.80±0.34 1.04±0.32k 0.89±0.27 l 0.50 (0.17)kl <0.001*ǂ
A DURATION(m/s) 0.86±0.07 0.82±0.07 0.91±0.03 0.87±0.12 <0.054