Table 2. Etiology of hyponatremia of patients presenting to the emergency department.

Etiology	Mild	Moderate	Severe	P-value
Hypovolemic hyponatremia	6 (37.5%)	17 (30.9%)	43 (33.33%)	0.585
Euvolemic hyponatremia	5 (31.25%)	29 (52.7%)	62 (48.06%)
Hypervolemic hyponatremia	5 (31.25%)	9 (16.36%)	24 (18.6%)