Table 1.
Demographic and serological profiles of patients with SLE
| Characteristic | SLE patients | Anti-NPM antibodies | |
| (n = 82) | Positive (n = 23) | Negative (n = 59) | |
| Age, years (mean ± SD) | 38.3 ± 12.3 | 39.8 ± 14.9 | 37.8 ± 11.5 |
| Females | 73 (89.0) | 18* | 55 |
| Males | 9 (10.8) | 5* | 4 |
| aCL | 32 (39) | 15 (65.2)** | 17 (28.8)** |
| ANA-positive | 66 (80.5) | 23 (100) | 43 (72.8) |
| Anti-DNA | 46 (56) | 13 (56.5) | 33 (55.9) |
| Anti-β2GPI | 15 (18.3) | 5 (21.7) | 10 (16.9) |
| Anti-β2GPI-CL+ | 12 (14.6) | 3 (13) | 9 (15.2) |
aCL, anti-cardiolipin; ANA, anti-nuclear antibodies; β2GPI, β2-glycoprotein I; CL, cardiolipin; NPM, nucleophosmin; SLE, systemic lupus erythematosus. Values are n (%) unless indicated otherwise.
* χ2 = 2.4; P = 0.12. ** χ2 = 9.2; P = 0.002.