Associations detected for each outcome measure by Cox frailty analysis
| COVARIATES | Cardiac Blocks and/or Q waves and/or Pacemaker Implantation n.events=49* HR; 95% CI; p value |
Ventricular Arrhytmias
n.events=12 HR; 95% CI; p value | LVEF≤55% and/or CHF n.events=19 HR; 95% CI; p value |
| EScSG activity index≥ 3 | 2.12; 0.98–4.57; 0.06 | 3.79; 1.04–13.82; 0.04 | |
| Low dose ASA | 0.53; 0.26–1.08; 0.08 | ||
| Vasodilators | 0.32; 0.10–1.02; 0.05 |
*Two patients developed 2 events (1 cardiac block and pacemaker implantation; 1 cardiac block and Q wave).
ASA, acetylsalicylic acid; CHF, congestive heart failure; EScSG, European Scleroderma Study Group; LVEF, left ventricular ejection fraction.