HR of incident stroke or TIA according to systemic sclerosis (SSc) status.
| Variables | SSc, n = 4545 | Non-SSc, n = 9090 |
|---|---|---|
| Incident strokes or TIA | 353 | 574 |
| Followup duration, yrs, mean ± SD | 5.1 ± 4.1 | 5.2 ± 4.1 |
| Incidence rate/1000 PY | 15.3 | 12.2 |
| Unadjusted HR (95% CI) | 1.28 (1.11–1.47) | Ref |
| + Medicare enrollment, adjusted HR (95% CI) | 1.32 (1.15–1.52) | Ref |
| + Cardiovascular risk factors, adjusted HR (95% CI) | 1.24 (1.07–1.43) | Ref |
| + NSAID and aspirin use, adjusted HR (95% CI) | 1.21 (1.05–1.40) | Ref |
TIA: transient ischemic attack; NSAID: nonsteroidal antiinflammatory drug; PY: person-years.