Laboratory tests showed elevated C-reactive protein (CRP) of 173 mg/L, a leukocytosis of 22.3/nL (neutrophils: 20.5/nL), and a plasma sodium of 118 mmol/L (osmolality: 248 mOsmol/kg), with concurrent acute renal failure (plasma creatinine: 202 μmol/L, plasma urea: 9.3 mmol/L). Here, CRP is linked to acute kidney injury.