| Healthy volunteers | PAH patients | p value |
---|---|---|---|
Maximum WSS (Pa) | |||
 MPA | 1.43 ± 0.35 | 0.93 ± 0.23 | 0.005 |
 RPA | 1.65 ± 0.68 | 0.77 ± 0.23 | 0.003 |
 LPA | 1.58 ± 0.50 | 0.64 ± 0.22 | <0.001 |
Mean WSS (Pa) | |||
 MPA | 0.47 ± 0.07 | 0.46 ± 0.09 | 0.854 |
 RPA | 0.59 ± 0.13 | 0.35 ± 0.17 | 0.002 |
 LPA | 0.56 ± 0.08 | 0.39 ± 0.07 | 0.014 |