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Table 4 Results of logistic regression analysis of risk factors for death (n = 89)

From: Fluid overload at start of continuous renal replacement therapy is associated with poorer clinical condition and outcome: a prospective observational study on the combined use of bioimpedance vector analysis and serum N-terminal pro-B-type natriuretic peptide measurement

Variables

Univariate regression

Adjusted multivariate regression

Odds ratio

P value

Odds ratio

P value

Age

1.04 (1.01-1.07)

0.006

1.02 (0.98-1.05)

0.374

Gender

0.82 (0.34-1.96)

0.649

0.72 (0.21-2.45)

0.597

APACHE II score

1.20 (1.11-1.29)

<0.001

1.18 (1.08-1.29)

<0.001

Acute kidney injury

2.90 (1.14-7.42)

0.026

0.87 (0.19-4.05)

0.863

Acute heart failure

2.82 (1.06-7.51)

0.039

1.84 (0.44-7.81)

0.405

Severe sepsis

3.62 (1.33-9.84)

0.012

3.83 (0.74-19.74)

0.109

Mechanical ventilation

4.50 (1.76-11.47)

0.002

3.05 (0.86-10.88)

0.086

Chronic renal failure

0.79 (0.17-3.74)

0.764

1.04 (0.06-19.44)

0.981

Chronic heart failure

3.38 (0.34-33.76)

0.300

4.66 (0.15-143.72)

0.379

Overhydration at day 1

3.60 (1.44-8.98)

0.006

-

-

High NT-ProBNP at day 1

2.54 (1.02-6.35)

0.046

-

-

Overhydration + high NT-ProBNP at day 1

3.88 (1.61-9.36)

0.002

1.02 (0.30-3.38)

0.997

  1. Variables in the multivariate regression included age, gender, Acute Physiology and Chronic Health Evaluation II (APACHE II) score, acute kidney injury, acute heart failure, severe sepsis, mechanical ventilation, chronic renal failure, chronic heart failure, and presence of overhydration plus high N-terminal pro-B-type natriuretic peptide (NT-ProBNP) level.