| Histological characteristics | APS antibodies positive | APS antibodies negative | P-value |
|---|---|---|---|
| (n=30) | (n=47) | ||
| Thrombotic microangiopathy | 2 (6.7%) | 0 | 0.149 |
| Focal cortical Atrophy | 6 (20%) | 3 (6.4%) | 0.142 |
| Fibrous intimal hyperplasia | 9 (30%) | 3 (6.4%) | 0.009 |
| Glomerular cap wall wrinkling | 12 (40%) | 5 (10.6%) | 0.004 |
| Glomerular double wall contour | 17 (56.7%) | 13 (27.7%) | 0.016 |