Strength of correlation (range of r) | MLHF |
Score | Physical subscore | Emotional subscore |
All patients# | | | |
Little or none (<0.20) | RVSP, RAP, mPAP | RVSP, mPAP | 6-MWD, RVSP, mPAP |
Weak (0.20–0.39) | 6-MWD, cardiac index | RAP | Cardiac index, Sv,O2 |
Moderate (0.40–0.59) | Borg, Sv,O2 | NYHA, 6-MWD, Borg, cardiac index, Sv,O2 | Borg |
Moderately strong (0.60–0.79) | NYHA | | NYHA |
PAH patients¶ | | | |
Little or none (<0.20) | RVSP, mPAP | RVSP, mPAP | RVSP, mPAP |
Weak (0.20–0.39) | 6-MWD, Borg, cardiac index, Sv,O2 | Borg | 6-MWD, Borg, RAP, cardiac index, Sv,O2 |
Moderate (0.40–0.59) | NYHA, RAP | 6-MWD, RAP, cardiac index, Sv,O2 | NYHA |
Moderately strong (0.60–0.79) | | NYHA | |
CTEPH patients+ | | | |
Little or none (<0.20) | RAP | | 6-MWD, RVSP, RAP |
Weak (0.20–0.39) | 6-MWD, RVSP, mPAP | RVSP, mPAP | mPAP, cardiac index, Sv,O2 |
Moderate (0.40–0.59) | NYHA, cardiac index, Sv,O2 | NYHA, 6-MWD, Borg, cardiac index, Sv,O2 | Borg |
Moderately strong (0.60–0.79) | Borg | | NYHA |