Fig. 4From: Dysnatremia, its correction, and mortality in patients undergoing continuous renal replacement therapy: a prospective observational studyNon-linear relationships between the adjusted odds ratio of 30-day mortality and changes in sodium in the normonatremia (a, b), hyponatremia (c, d), and hypernatremia (e, f) groups. Figures (a), (c), and (e) show the relationships with changes over 24 h. Figures (b), (d), and (f) show the relationships with changes over 72 hBack to article page