Table 2 Univariate and multivariate analysis of risk factors to 30-day mortality

Age

< 0.001

1.564

1.360

1.799

< 0.001

1.637

1.397

1.917

Sex

0.170

1.103

0.959

1.269

0.027

1.076

1.008

1.148

Ethnicity

0.003

1.094

1.031

1.161

Admission type

0.001

0.624

0.474

0.820

0.015

0.698

0.522

0.934

ICU type

0.007

0.906

0.843

0.973

Hemoglobin

0.030

0.858

0.748

0.985

Albumin

0.045

0.862

0.746

0.997

0.009

0.813

0.697

0.949

WBC

0.896

1.009

0.879

1.158

Bilirubin

< 0.001

1.576

1.354

1.836

< 0.001

1.366

1.160

1.607

BUN

< 0.001

1.816

1.576

2.093

0.003

1.285

1.086

1.520

Potassium

< 0.001

1.672

1.453

1.924

< 0.001

1.578

1.342

1.855

Sodium

0.619

0.966

0.841

1.108

Bicarbonate

< 0.001

0.635

0.553

0.730

0.005

0.793

0.674

0.932

Cr

< 0.001

1.649

1.434

1.897

Platelet

< 0.001

0.703

.612

0.808

0.004

0.789

0.671

0.928

Lactate

< 0.001

2.304

2.007

2.646

< 0.001

1.936

1.649

2.271