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Table 2 Factors independently associated with day-30 mortality.

From: Prognostic consequences of borderline dysnatremia: pay attention to minimal serum sodium change

 

sHR

95% CI

P value

Natremia

   

Severe hyponatremia

1.27

(1.01-1.60)

0.040

Moderate hyponatremia

1.18

(1.002-1.40)

0.047

Mild hyponatremia

1.08

(0.95-1.22)

0.23

Borderline hyponatremia

1.09

(0.97-1.24)

0.15

Normal natremia

1

(Ref)

-

Borderline hypernatremia

1.09

(0.97-1.24)

0.15

Mild hypernatremia

1.34

(1.14-1.57)

0.0003

Moderate hypernatremia

1.51

(1.15-1.99)

0.003

Severe hypernatremia

2.64

(2.00-3.48)

< 0.0001

DFLST*

3.24

(2.90-3.62)

< 0.0001

Intoxication as reason for ICU admission

0.21

(0.13-0.34)

< 0.0001

Chronic cardiac dysfunction

1.26

(1.13-1.41)

< 0.0001

Immunocompromised patient

1.30

(1.17-1.45)

< 0.0001

Age > 64 yrs

1.56

(1.43-1.71)

< 0.0001

SOFA score (per point)*

1.21

(1.20-1.23)

< 0.0001

  1. (Subdistribution hazard ratios (sHR) and 95% confidence intervals (95% CI)). *DFLST, decision to forgo life-sustaining treatments; SOFA, Sequential Organ Failure Assessment, which can range from 0 to 24.