Table 3. .
Comparison of Hemodynamic Parameters at Baseline (Student's t-test) between the MRA-Based Converter and Nonconverter Groups.
|
Parameter |
Group of Nonconverters |
Group of MRA Converters |
P |
|
| OA | PSV (cm/s) | 32.24 ± 11.0 | 29.36 ± 11.1 | 0.15 |
| EDV (cm/s) | 7.87 ± 3.5 | 5.76 ± 2.7 | 0.001 | |
| MV (cm/s) | 15.17 ± 5.9 | 12.48 ± 5.0 | 0.01 | |
| RI | 0.75 ± 0.1 | 0.80 ± 0.1 | <0.001 | |
| PI | 1.67 ± 0.4 | 1.95 ± 0.5 | <0.001 | |
| S/D | 4.43 ± 1.3 | 5.44 ± 1.6 | <0.001 | |
| CRA | PSV (cm/s) | 8.53 ± 2.2 | 8.00 ± 2.7 | 0.20 |
| EDV (cm/s) | 2.13 ± 0.7 | 1.98 ± 0.8 | 0.29 | |
| MV (cm/s) | 4.11 ± 1.2 | 3.81 ± 1.6 | 0.19 | |
| RI | 0.74 ± 0.1 | 0.75 ± 0.1 | 0.84 | |
| PI | 1.59 ± 0.4 | 1.65 ± 0.4 | 0.42 | |
| S/D | 4.28 ± 1.4 | 4.30 ± 1.3 | 0.92 | |
| TPCA | PSV (cm/s) | 15.70 ± 6.1 | 15.88 ± 6.4 | 0.87 |
| EDV (cm/s) | 4.63 ± 2.1 | 4.17 ± 2.0 | 0.22 | |
| MV (cm/s) | 8.47 ± 3.4 | 8.34 ± 3.7 | 0.83 | |
| RI | 0.70 ± 0.1 | 0.73 ± 0.1 | 0.01 | |
| PI | 1.33 ± 0.3 | 1.46 ± 0.4 | 0.05 | |
| S/D | 3.60 ± 1.1 | 4.16 ± 1.6 | 0.009 | |
| NPCA | PSV (cm/s) | 13.01 ± 5.7 | 13.41 ± 5.1 | 0.75 |
| EDV (cm/s) | 3.78 ± 2.0 | 3.57 ± 1.9 | 0.65 | |
| MV (cm/s) | 7.01 ± 3.3 | 6.78 ± 3.2 | 0.76 | |
| RI | 0.71 ± 0.1 | 0.73 ± 0.1 | 0.29 | |
| PI | 1.37 ± 0.3 | 1.52 ± 0.5 | 0.04 | |
| S/D | 3.72 ± 1.0 | 4.11 ± 1.5 | 0.12 | |
| CRV | Vmax (cm/s) | 4.39 ± 1.7 | 3.82 ± 1.1 | 0.06 |
| Vmin (cm/s) | 2.81 ± 0.7 | 2.48 ± 0.7 | 0.008 | |
| MV (cm/s) | 3.45 ± 0.8 | 3.12 ± 0.9 | 0.03 | |
| PI | 0.42 ± 0.1 | 0.43 ± 0.1 | 0.70 |
Values are expressed as mean ± standard deviation.
P
< 0.002 was considered statistically significant (in bold print).