Table 1.
Baseline characteristics of systemic sclerosis and systemic lupus erythematosus patients
| Characteristic | Systemic sclerosis (n = 90) | Systemic lupus erythematosus (n = 100) |
|---|---|---|
| Female |
78 (86.7%) |
87 (87%) |
| Age (years) |
57.7 ± 14.4 |
48.1 ± 15.1 |
| Disease duration (months) |
85.0 ± 96.0 |
69.6 ± 92.0 |
| Body mass index |
24.5 ± 4.0 |
25.2 ± 4.7 |
| Adipositas, body mass index >30 |
6 (6.7%) |
14 (14%) |
| Hypertension |
45 (50%) |
56 (56%) |
| Systolic blood pressure (mmHg) |
129.9 ± 23.2 |
130.6 ± 21.5 |
| Diastolic blood pressure (mmHg) |
75.9 ± 11.5 |
77.6 ± 10.6 |
| Mean number of antihypertensives |
0.8 (0, 4) |
0.9 (0, 6) |
| Diabetes |
4 (4.4%) |
6 (6%) |
| Pulmonary hypertension |
17 (18.9%) |
3 (3%) |
| Coronary heart disease |
10 (11.1%) |
9 (9%) |
| Peripheral artery vessel disease |
5 (5.6%) |
2 (2%) |
| Nicotine use, current or former |
43 (47.8%) |
53 (53%) |
| Nicotine pack-years |
10.7 ± 19.5 |
10.4 ± 16.2 |
| Triglyceride (mg/dl) |
139.2 ± 84.9 |
128.1 ± 69.9 |
| Cholesterol (mg/dl) |
216.5 ± 50.2 |
213.9 ± 59.6 |
| Low density lipoprotein (mg/dl) |
125.5 ± 39.2 |
123.7 ± 46.8 |
| High density lipoprotein (mg/dl) |
63.7 ± 18.7 |
64.4 ± 17.9 |
| Family history of cardiovascular disease |
12 (13.3%) |
16 (16%) |
| Mean Rodnan skin score (median, range) |
11 (9, 43) |
– |
| Mean SLEDAI (median, range) |
– |
11 (9, 60) |
| Mean SLICC (median, range) | – | 2 (2, 8) |
Values are mean ± standard deviation, number (percentage), or median (range).
SLEDAI, Systemic Lupus Erythematosus Disease Activity Index; SLICC, Systemic Lupus International Collaborating Clinics damage index.