Table 2 Spearman correlations between RV-arterial coupling parameters and other parameters of RV function and metabolism

WHO class

r = 0.28; p = 0.15

r = 0.28; p = 0.14

r = 0.26; p = 0.19

6MWT distance

r = − 0.22; p = 0.25

r = − 0.29; p = 0.13

r = − 0.22; p = 0.24

BNP level

r = 0.31; p = 0.10

r = 0.34; p = 0.07

r = 0.30; p = 0.12

TAPSE (CMR)

r = − 0.15; p = 0.43

r = − 0.15; p = 0.42

r = − 0.08; p = 0.65

RVEF (CMR)

r = − 0.75; p = 0.000005^

r = − 0.71; p = 0.00002^

r = − 0.73; p = 0.00001^

FAC (CMR)

r = − 0.78; p = 0.000002^

r = − 0.77; p = 0.000001^

r = − 0.69; p = 0.00004^

RV mass/BSA (CMR)

r = 0.59; p = 0.001^

r = 0.60; p = 0.0008^

r = 0.47; p = 0.012^

CI (RHC)

r = − 0.54; p = 0.003^

r = − 0.63; p = 0.0004^

r = − 0.48; p = 0.01^

SUV_RV/LV (PET)

r = 0.67; p = 0.0002^

r = 0.55; p = 0.002^

r = 0.69; p = 0.00006^