Table 1.
Characteristics of SSc and Comparison Cohorts at Baseline
| Variable | SSc N=1,245 |
Non-SSc N=12,670 |
p-value |
|---|---|---|---|
| Age (mean yrs) | 56.5 ± 15.0 | 56.5 ± 14.9 | 0.965 |
| Female | 1031 (82.8) | 10473 (82.7) | 0.937 |
| Hospitalized | 413 (33.2) | 2020 (15.9) | <0.001 |
| No. MSP visits (mean) | 20.8 ± 17.7 | 9.0 ± 11.0 | <0.001 |
| Charlson’s comorbidity index (mean) | 1.19 ± 1.51 | 0.34 ± 1.07 | <0.001 |
| Alcoholism | 8 (0.6) | 102 (0.8) | 0.736 |
| Hypertension | 307 (24.7) | 2824 (22.3) | 0.059 |
| Sepsis | 3 (0.2) | 24 (0.2) | 0.730 |
| Varicose veins | 24 (1.9) | 103 (0.8) | <0.001 |
| Inflammatory bowel disease | 9 (0.7) | 55 (0.4) | 0.181 |
| Trauma | 6 (0.5) | 23 (0.2) | 0.040 |
| Fractures | 30 (2.4) | 177 (1.4) | 0.009 |
| Surgery | 12 (1) | 77 (0.6) | 0.135 |
| Glucocorticoids | 323 (25.9) | 497 (3.9) | <0.001 |
| Hormone replacement therapy | 138 (11.1) | 964 (7.6) | <0.001 |
| Contraceptives | 45 (3.6) | 472 (3.7) | 0.937 |
| Cox2 inhibitors | 113 (9.1) | 389 (3.1) | <0.001 |
Values are N (percentages) unless otherwise noted.