| SLE (N=389) | Mimickers (N=227) | P-value |
|---|
|
|---|
| Fever | 134 (34.5%) | 31 (13.7%) | <0.001 |
| Fatigue | 110 (28.3%) | 84 (37.0%) | 0.024 |
| Malar rash | 193 (49.6%) | 14 (6.2%) | <0.001 |
| Oral ulcers | 84 (21.6%) | 12 (5.3%) | <0.001 |
| Alopecia | 119 (30.6%) | 27 (11.9%) | <0.001 |
| Inflammatory arthritis | 224 (57.6%) | 60 (26.4%) | <0.001 |
| Pleuritis | 87 (22.4%) | 6 (2.6%) | <0.001 |
| Kidney | 51 (13.1%) | 0 | <0.001 |
| Seizures | 11 (2.8%) | 0 | 0.009 |
| Dry eyes | 15 (3.9%) | 63 (27.8%) | <0.001 |
| Raynaud's | 86 (22.1%) | 110 (48.5%) | <0.001 |
| ANA | 387 (99.5) | 216 (95.1%) | <0.001 |
| anti-dsDNA | 251 (71.7%) | 14 (6.9%) | <0.001 |
| Anti-Sm | 90 (30.2%) | 5 (2.6%) | <0.001 |
| Anti-Ro | 98 (33.2%) | 53 (25.6%) | 0.067 |
| Anti-RNP | 85 (28.5%) | 12 (5.9%) | <0.001 |
| Low complement | 243 (73.4%) | 104 (48.4%) | <0.001 |
| Leucopenia | 61 (74.4%) | 315 (61.9%) | 0.029 |