Table 1.

Summary cohort hemodynamic and echocardiographic data (n=618)

Variable
Systolic blood pressure (mmHg)	129.2 ± 22.2
Dystolic blood pressure (mmHg)	80.3 ± 14.3
RHC derived parameters
Systolic pulmonary artery pressure (mmHg)	38.1 ± 13.4
Diastolic pulmonary artery pressure (mmHg)	16.4 ± 7.8
Mean pulmonary artery pressure (mmHg)	24.9 ± 9.2
Tricuspid regurgitation gradient (mmHg)	29.2 ± 11.3
Pulmonary capillary wedge pressure (mmHg)	15.9 ± 8.0
Pulmonary vascular resistance (wood units)	1.6 (1.0,2.4)
Mean right atrial pressure (mmHg)	8.9 ± 6.5
Cardiac output (L/min)	5.6 ± 1.8
Cardiac index (L/min/m^2)	2.8 ± 0.8
Pulmonary artery systolic pressure < 30 mmHg	177 (28.6%)
Pulmonary artery systolic pressure 30–49.9 mmHg	281 (45.5%)
Pulmonary artery systolic pressure 45–59.9 mmHg	106 (17.2%)
Pulmonary artery systolic pressure >60 mmHg	54 (8.7%)
Echocardiographically derived parameters
Pulmonary artery systolic pressure (mmHg)	41.0 ± 11.8
Mean right atrial pressure (mmHg)	11.6 ± 4.2
Ejection fraction (%)	62 (40,70)
Moderate to severe tricuspid regurgitation	160 (25.9 %)
Tricuspid regurgitation gradient (mmHg)	29.3 ± 10.7
Pulmonary artery systolic pressure < 30 mmHg	85(13.8%)
Pulmonary artery systolic pressure 30–49.9 mmHg	332 (53.7%)
Pulmonary artery systolic pressure 45–59.9 mmHg	150 (24.3%)
Pulmonary artery systolic pressure >60 mmHg	51 (8.3%)

Cardiac output and index were determined by the Fick method. Values represent mean ± standard deviation, median with interquartile range, or n (percent).