Dysnatremia, its correction, and mortality in patients undergoing continuous renal replacement therapy: a prospective observational study

Table 3 Adjusted odds ratios for 30-day mortality according to sodium level after 24 and 72 h

	24-h sodium		72-h sodium
Group	OR (95 % CI)^a	P	OR (95 % CI)^a	P
Moderate to severe hyponatremia	0.81 (0.458–1.418)	0.454	0.89 (0.524–1.528)	0.683
Mild hyponatremia	1.08 (0.629–1.868)	0771	1.08 (0.637–1.825)	0.780
Normonatremia	1 (Reference)		1 (Reference)
Mild hypernatremia	0.90 (0.270–3.027)	0.869	4.69 (0.835–26.302)	0.079
Moderate to severe hypernatremia	6.33 (0.794–50.382)	0.081	3.13 (0.606–16.156)	0.173

^aAdjusted for age, sex, enrollment year, weight, cause of acute kidney injury, dialysis dose, need for mechanical ventilation, use of vasoactive drugs, chronic kidney disease, Charlson Comorbidity Index, APACHE II score, creatinine, albumin, urine output, fluid balance, and onset of dysnatremia
OR odds ratio, CI confidence interval

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