Left ventricular volumes, mass, shape, and cardiac index in patients with β thalassaemia major and controls
| Variable | Thalassaemia (n=197) | Controls (n=213) | p Value |
|---|---|---|---|
| Values are mean (SD). | |||
| Ci, cardiac index; EDVi, end diastolic volume index; EF, ejection fraction; ESVi, end systolic volume index; Ld/Dd, diastolic long axis/short axis (diastolic shape); Ls/Ds, systolic long axis/short axis (systolic shape); Mi, mass index; M/V, mass/volume ratio; SVi, stroke volume index; SVR, systemic vascular resistance. | |||
| EDVi (ml/m2) | 83.9 (18.9) | 72.2 (12.3) | <0.0001 |
| ESVi (ml/m2) | 36.9 (10.8) | 28.15 (2.6) | <0.0001 |
| EF (%) | 56.1 (6.9) | 61.3 (3.7) | <0.0001 |
| Mi (g/m2) | 99.2 (22.1) | 79.1 (11.6) | <0.0001 |
| M/V | 1.21 (0.27) | 1.11 (0.12) | <0.0001 |
| Ld/Dd | 1.52 (0.14) | 1.68 (0.25) | <0.0001 |
| Ls/Ds | 1.94 (0.28) | 2.15 (0.35) | <0.0001 |
| SVi (ml/m2) | 47.0 (11.6) | 44.1 (6.9) | <0.005 |
| Ci (ml/min/m2) | 3487 (878) | 3070 (499) | <0.0001 |
| SVR (dyne.s.cm−5) | 1210 (383) | 1371 (326) | <0.0001 |