Categories of patients according to the ACR 1997, SLICC 2012, and EULAR/ACR 2019 SLE classification criteria.
| Criteria Set | SLE Group, n = 262 | Control Group, n = 174 | Sensitivity, % | Specificity, % | P* | |
|---|---|---|---|---|---|---|
| ACR 1997 | SLE | 180 | 9 | 68.7 | 94.8 | ACR 1997 vs SLICC: < 0.001 |
| Not SLE | 82 | 165 | ||||
| SLICC 2012 | SLE | 250 | 18 | 95.4 | 89.7 | SLICC vs EULAR/ACR (≥ 10) 2019: 0.28 |
| Not SLE | 12 | 156 | ||||
| EULAR/ACR 2019 (threshold ≥ 10) | SLE | 240 | 20 | 91.6 | 88.5 | EULAR/ACR 2019 (≥ 10) vs ACR 1997: < 0.001 |
| Not SLE | 22 | 154 | ||||
| EULAR/ACR 2019 (threshold ≥ 11) | SLE | 231 | 18 | 88.2 | 89.7 | EULAR/ACR 2019 (≥ 11) vs ACR 1997: 0.08; SLICC vs EULAR/ACR 2019 (≥ 11): 0.36 |
| Not SLE | 31 | 156 |
↵*P values are for the comparison of sensitivities/specificities among classification criteria. ACR: American College of Rheumatology; EULAR: European League Against Rheumatism; SLE: systemic lupus erythematosus; SLICC: Systemic Lupus International Collaborating Clinics.