Availability % | Derivation cohort, total | mPAP <25 mmHg | mPAP 25–34 mmHg | mPAP ≥35 mmHg | p-value | |
Subjects | 228 | 46 | 79 | 85 | ||
TRVmax m·s−1 | 92 | 3.7±0.6 | 3.3±0.5 | 3.6±0.5 | 4.0±0.6 | <0.001 |
RVSP mmHg | 92 | 66±19 | 53±13 | 61±18 | 76±17 | <0.001 |
Pulmonary acceleration time ms | 93 | 77±18 | 82±17 | 80±19 | 70±14 | <0.001 |
Systolic eccentricity index | 82 | 1.4±0.4 | 1.1±0.2 | 1.2±0.3 | 1.6±0.5 | <0.001 |
Early PRVmax m·s−1 | 20 | 2.5±0.5 | 2.0±0.3 | 2.3±0.5 | 2.7±0.4 | 0.001 |
RAP mmHg | 99.5 | 5 (5–10) | 5 (5–10) | 5 (5–10) | 10 (5–10) | 0.008 |
Fractional area change % | 93 | 37±8 | 41±8 | 39±7 | 34±8 | <0.001 |
Right atrial area cm2 | 93 | 20±8 | 15±4 | 18±6 | 24±8 | <0.001 |
TAPSE cm | 92 | 1.8±0.5 | 1.9±0.4 | 1.9±0.5 | 1.7±0.4 | <0.001 |
RV:LV short axis dimension ratio (systolic) | 81 | 0.9 (0.7–1.4) | 0.7 (0.6–0.9) | 1.0 (0.6–1.1) | 1.3 (0.9–2.0) | <0.001 |
Data are presented as n, mean±sd or median (interquartile range), unless otherwise stated. mPAP: mean pulmonary pressure at RHC; TRVmax: maximum tricuspid regurgitation velocity; RVSP: right ventricular systolic pressure; PRVmax: maximum diastolic pulmonary regurgitation velocity; RAP: right atrial pressure; TAPSE: tricuspid annular plane systolic excursion; RV: right ventricular; LV: left ventricular.