Table 4.

Factors associated with hyponatremia during hospitalization

Variable	P value	Odds ratio	95 % Confidence interval
History of fatigue	<0.001	3.23	1.79–5.83
History of hypertension	0.022	0.49	0.27–0.91
Serum sodium at admission	<0.001	0.77	0.73–0.83
Presence of ascites	0.001	4.14	1.85–9.31
Administration of heparin	0.001	3.85	1.78–8.31
Administration of antibiotics	<0.001	3.08	1.71–5.53