Table 2.
Baseline Resting Hemodynamic and Laboratory Values (n=495)
| Variable | Overall | CPI < 0.44 [W/m2] (n=247) | CPI ≥ 0.44 [W/m2] (n=248) | p-value |
|---|---|---|---|---|
| Heart Rate [bpm] | 80 ± 18 | 79 ± 16 | 81 ± 19 | 0.1 |
| MAP [mm Hg] | 86 ± 13 | 81 ± 12 | 91 ± 12 | <.0001 |
| RAP [mm Hg] | 7 [4, 10] | 8 [5, 12] | 6 [3, 9] | <.0001 |
| PASP [mm Hg] | 40 [30, 54] | 45 [32, 57] | 38 [28, 50] | 0.0002 |
| PADP [mm Hg] | 20 [12, 25] | 22 [16, 27] | 18 [12, 22] | <.0001 |
| MPAP [mm Hg] | 27 [19, 35] | 30 [21, 37] | 24 [17, 32] | <.0001 |
| PCWP [mm Hg] | 18 [23, 10] | 20 [13, 25] | 14 [10, 21] | <.0001 |
| Fick CO [L/min] | 4.7 ± 1.3 | 4.1 ± 0.9 | 5.6 ± 1.2 | <.0001 |
| Fick CI [L/min/m2] | 2.4 ± 0.6 | 2.0 ± 0.4 | 2.8 ± 0.5 | <.0001 |
| PVR [WU] | 2.4 ± 1.5 | 2.7 ± 1.7 | 2.0 ± 1.2 | <.0001 |
| SVR [dyn•s/cm5] | 1443 ± 429 | 1530 ± 461 | 1357 ± 376 | <.0001 |
| Hemoglobin [g/dL] | 13.5 ± 1.7 | 13.6 ± 1.6 | 13.4 ± 1.7 | 0.2 |
| Creatinine [mg/dL] | 1.1 [0.9, 1.4] | 1.2 [1.0, 1.5] | 1.0 [0.9, 1.3] | 0.0008 |
| Sodium [mEq/L] | 139 ± 5 | 139 ± 4 | 139 ± 6 | 0.6 |
| BNP [pg/mL] | 348 [137, 782] | 605 [230, 1150] | 228 [81, 484] | <.0001 |
*
Abbreviations: CPI: cardiac power index; MAP: mean arterial pressure; RAP: right atrial pressure; PASP: pulmonary arterial systolic pressure; PADP: pulmonary arterial diastolic pressure; MPAP: mean pulmonary arterial pressure; PCWP: pulmonary capillary wedge pressure; CO: cardiac output; CI: cardiac index; PVR: pulmonary vascular resistance; SVR: systemic vascular resistance; and BNP: B-type natriuretic peptide.
†
Missing values: SVR: n=7; PVR: n=8; Hemoglobin: n=47; Creatinine: n=39; Sodium: n=37; and BNP: 360.