Table 2.
Correlation between PAOI and radiologic parameters in computed tomography (CT) angiography.
| PAOI | ||
|---|---|---|
| Spearman's correlation coefficient (ρ) | P Value | |
| LA Long Diameter, cm | -0.205 | 0.152 |
| LA Short Diameter, cm | -0.380 | 0.006 |
| LA Height, cm | -0.483 | <0.001 |
| LA Area, cm2 | -0.449 | 0.001 |
| LA Volume, cm3 | -0.472 | 0.001 |
|
| ||
| RA Long Diameter, cm | -00.089 | 0.538 |
| RA Short Diameter, cm | .334 | 0.018 |
| RA Height, cm | -0.144 | 0.320 |
| RA Area, cm2 | 0.041 | 0.776 |
| RA Volume, cm3 | -0.015 | 0.916 |
|
| ||
| RA to LA Long Diameter Ratio | 0.05 | 0.68 |
| RA to LA Short Diameter Ratio | 0.50 | <0.01 |
| RA to LA Height ratio | 0.25 | 0.08 |
| RA to LA Area Ratio | 0.44 | <0.01 |
| RA to LA Volume ratio | 0.39 | <0.01 |
|
| ||
| Reflux Grade, n | -0.033 | 0.822 |
Abbreviations: LA: left atrium; PAOI: pulmonary artery obstruction index; RA: right atrium.