ACE and systemic lupus erythematosus: The most frequently used treatments among patients with LN included corticosteroids (70.1% (n=1619/2310)), angiotensin-converting enzyme inhibitors (ACEis)/angiotensin receptor blockers (ARBs; 52.0% (n=1200/2310)), and antimalarials (51.3% (n=1184/2310)), whereas the most frequently used treatments among patients with SLE without LN were corticosteroids (69.1% (n=1597/2310)), antimalarials (58.3% (n=1346/2310)), and nonsteroidal anti-inflammatory drugs (NSAIDs; 37.5% (n=866/2310); Table 5).