Patients classified as SSc with both sets of criteria in their different cutaneous subsets.
| 1980 ARA, n (%) | Only 2013 ACR/EULAR Criteria Fulfilled, n (%) | p | |
|---|---|---|---|
| lcSSc | 429/681 (63.0) | 671/681 (98.5) | < 0.001 |
| dcSSc | 309/309 (100) | 309/309 (100) | — |
| pre-SSc | 0/69 (0) | 11/69 (15.9) | 0.001 |
| ss-SSc | 11/98 (11.2) | 41/98 (41.8) | < 0.001 |
| Total | 749/1157 (64.7) | 1032/1157 (89.2) | < 0.001 |
SSc: systemic sclerosis; 1980 ARA: 1980 American Rheumatism Association preliminary classification criteria for SSc; ACR/EULAR: American College of Rheumatology/European League Against Rheumatism; lcSSc: limited cutaneous SSc; dcSSc: diffuse cutaneous SSc; ss-SSc: sine scleroderma SSc.