Table 2.
Logistic regression analysis of echocardiography parameters associated with severe PH
| Variable* | Univariate analysis
|
β-coefficient | Weighted scores | Multivariate analysis
|
||
|---|---|---|---|---|---|---|
| OR (95% CI) | P-value | OR (95% CI) | P-value | |||
| RATD (cm) | 5.249 (2.262, 12.389) | <0.001 | – | – | – | – |
| RALD (cm) | 4.491 (2.138, 11.418) | <0.001 | – | – | – | – |
| RVEDTD (cm) | 10.771 (4.311, 26.909) | <0.001 | 1.665 | 2† | 5.283 (1.368, 20.403) | 0.016 |
| RVEDLD (cm) | 3.229 (1.426, 7.313) | 0.005 | – | – | – | – |
| PASP (mmHg) | 23.688 (8.383, 66.940) | <0.001 | 2.981 | 3† | 19.710 (5.032, 77.206) | <0.001 |
| PAd (cm) | 6.889 (2.789, 17.015) | <0.001 | 1.941 | 2† | 6.963 (1.803, 26.893) | 0.005 |
| ENDSEI | 16.593 (4.621, 59.581) | <0.001 | – | – | – | – |
| TAPSE (cm) | 0.168 (0.058, 0.488) | 0.001 | −2.864 | −3† | 0.057 (0.010, 0.320) | 0.001 |
Notes:
*
Variables were transformed into binary variables according to optimum cutoff values.
†
If RVEDTD ≥3.8 cm or PAd ≥2.7 cm, weighted score =+2; if PASP ≥61 mmHg, weighted score =+3; and if TAPSE ≥1.65 cm, weighted score =−3.
Abbreviations: PH, pulmonary hypertension; RATD, right atrial transverse dimension; RALD, right atrial longitudinal dimension; RVEDTD, right ventricular end-diastolic transverse dimension; RVEDLD, right ventricular end-diastolic longitudinal dimension; PASP, pulmonary arterial systolic pressure; PAd, pulmonary artery diameter; ENDSEI, end-systolic-stage eccentricity index; TAPSE, tricuspid annular plane systolic excursion.