VHA, Veterans Health Administration; OPAT, outpatient parenteral antimicrobial therapy; SD, standard deviation; ED, emergency department; IV, intravenous; DVT, deep venous thrombosis; CPK, creatine phosphokinase; LFTs, liver function tests; AKI, acute kidney injury; CNS, central nervous system. This evidence concerns the gene PIK3C2A and acute kidney injury.