| Parameter | Univariate analysis | Multivariate analysis | |
| p Value | p Value | HR (CI 95%) | |
| Gender | 0.99 | – | – |
| Age > 53 years | 0.04 | 0.04 | 2.5 (1.1–5.8) |
| Diffuse vs non-diffuse SSc | 0.81 | – | – |
| Heart | 0.67 | – | – |
| Interstitial lung disease | 0.39 | – | – |
| Gastrointestinal tract involvement | 0.81 | – | – |
| Blood pressure <140/90 | 0.004 | 0.001 | 6.7 (2.1–20.8) |
| Creatininaemia >280 μmoles/l | 0.15 | NS | – |
| Initial dialysis (temporary or chronic) | 0.04 | NS | – |
| Thrombotic microangiopathy | 0.99 | – | – |
| Previous CS Exposure | 0.45 | – | – |
HR, hazard ratio; NS, non-significant; SSc, systemic sclerosis; CS, corticosteroids.