Table 3.  Serum sodium levels and hyponatremia at admission and discharge in post-stroke hospitalized patients.

	On admission	On discharge
Sodium, mEq/L	139 [137, 141]	141 [139, 142]
Hyponatremia	84 (8.8)	106 (11.1)

Data shown as median [IQR] or number (percentage) based on total number of patients (n=955).