Characteristics | SSc | Controls |
---|---|---|
Total (n) | 27 | 10 |
Male:female ratio | 3:6 | 3:7 |
Age (y) | 57 ± 13 | 54 ± 9 |
Body surface area (BSA, m2) | 1.81 ± 0.16 | 1.78 ± 0.21 |
Heart rate (bpm) | 76 ± 11 | 64 ± 7 † |
Cardiac index (L/min/m2) | 3.3 ± 0.8 | 3.5 ± 0.6 |
LV stroke volume index (mL/m2) | 44 ± 11 | 54 ± 7 |
LV end diastolic volume index (mL/m2) | 72 ± 16 | 89 ± 10 |
LV end systolic volume index (mL/m2) | 29 ± 9 | 35 ± 4 |
LV ejection fraction (%) | 61 ± 8 | 60 ± 3 |
RV stroke volume index (mL/m2) | 42 ± 8 | 53 ± 7 ‡ |
RV end diastolic volume index (mL/m2) | 79 ± 23 | 83 ±11 |
RV end systolic volume index (mL/m2) | 37 ± 22 | 30 ± 7 |
RV ejection fraction (%) | 55 ± 13 | 64 ± 6 |
Duration of disease (y) | 6 ± 8 | |
Limited cutaneous SSc (n (%)) | 18 (67) | |
Diffuse cutaneous SSc (n (%)) | 3 (11) | |
Early SSc (n (%)) | 6 (22) | |
PAH (n (%)) | 1 (4) |