ACE and acute kidney injury: Patients with VA-AKI aged over 12 were more likely to receive diuretics, piperacillin-tazobactam (PTZ) and meropenem, while more angiotensin converting enzyme inhibitors (ACEI) prescripts were found in patients with VA-AKI from 1 to 12 years old, more ACEI, angiotensin II receptor blocker (ARB), non-steroidal anti-inflammatory drugs (NSAID) prescripts in VA-AKI group from 12 to 60 years old, and more aminoglycoside and amphotericin B prescripts in VA-AKI patients over 60 years old.