Table 1 Demographic parameters
From: Prognostic value of cardiopulmonary exercise testing in patients with systemic sclerosis
Parameter | N | Group 1 dcSSc | Group 2 lcSSc | p-value (group 1 vs. 2) |
|---|---|---|---|---|
|  |  | n = 88 | n = 122 |  |
Age (years) | 210 | 60 (51; 70) | 62 (52; 70.2) | 0.263 |
Female (n) | 210 | 65 (73.9%) | 105 (86.1%) | 0.026 |
Time from first diagnosis to first visit at study centre (years) | 203 | 4 (1; 7) | 4 (1; 9) | 0.471 |
Never-smoker (n) | 137 | 57 (68.7%) | 77 (70.6%) | Â |
Ex-smoker (n) | 25 | 14 (16.9%) | 11 (10.1%) | Â |
Smoker (n) | 33 | 12 (14.5%) | 21 (19.3%) | 0.313 |
Charlson index | 199 | 2 (1; 2) | 1 (1; 2) | 0.653 |
Height (cm) | 210 | 165 (160; 175) | 165 (160; 170) | 0.943 |
Weight (kg) | 210 | 71 (62; 85) | 70 (62; 77) | 0.206 |
BMI (kg∙m−2) | 210 | 25.7 (23.0; 27.7) | 24.8 (22.7; 28.4) | 0.162 |
Limited ILD (n) | 42 | 25 (29.4%) | 17 (15.5%) | Â |
Extensive ILD (n) | 32 | 23 (27.1%) | 9 (8.2%) | < 0.001 |