Table 1.
Right ventricle size and function echocardiography data
| Parameter | Value (IQR or ±SD) | % patients with abnormal values (n, %) | Categorical data | |||
|---|---|---|---|---|---|---|
| Normal | Mild/moderately abnormal | Severely abnormal | ||||
| RV size | End-diastolic area (cm2) | 24.2 (18 to 30) | 21 (26%) | 59 (74%) | 16 (20%) | 5 (6%) |
| Long axis (mm) | 80.8 (± 10) | 33 (41%) | 27 (34%) | 37 (46%) | 16 (20%) | |
| Mid diameter | 31.7 (± 7) | |||||
| Basal diameter | 40.6 (± 8) | |||||
| RV function | Fractional area change (%) | 32.5 (± 11) | 51 (64%) | – | – | – |
| RV S′ | 11.3 (± 3) | 20 (26%) | – | – | – | |
| TAPSE (mm) | 18.9 (16 to 21) | 18 (23%) | 62 (78%) | 14 (18%) | 4 (5%) | |
| RV free wall Strain | − 19.6 (± 6) | 46 (58%) | 34 (43%) | 32 (40%) | 14 (18%) | |
IQR interquartile range when describing non-normally distributed data, SD standard deviation when describing normally distributed data, RV right ventricle, S′ systolic motion