Figure 1

Figure 1

The percentage of cerebral infarction in high grade aSAH patients with normonatremia, early-onset hyponatremia or late-onset hyponatremia. normonatremia: patients with a normal serum sodium level; early-hyponatremia: patients with early-onset hyponatremia; late-hyponatremia: patients with late-onset hyponatremia. *p<0.05 as compared to normonatremia.