Table 2 Coefficient estimation of risk factors in univariate binary logistic regression model for prolonged ICULOS/HLOS

ICU length of stay

SOFA score

0.251

0.033

56.631

1

< 0.001

1.285

1.204

1.372

APACHE II score

0.082

0.015

29.625

1

< 0.001

1.085

1.054

1.118

GCS score

− 0.156

0.033

22.857

1

< 0.001

0.855

0.802

0.912

Body temperature (°C)

− 0.136

0.06

5.056

1

0.025

0.873

0.775

0.983

MAP (mmHg)

− 0.014

0.004

9.600

1

0.002

0.987

0.978

0.995

Platelet count ×10⁴/mm³

− 0.023

0.009

6.552

1

0.010

0.977

0.96

0.995

Creatinine (mg/dl)

0.174

0.060

8.552

1

0.003

1.190

1.059

1.338

Na

0.041

0.014

8.315

1

0.004

1.042

1.013

1.072

pH

− 3.441

0.869

15.671

1

< 0.001

0.032

0.006

0.176

PaO₂/FiO₂ ratio

− 0.003

0.001

14.239

1

< 0.001

0.997

0.995

0.999

Albumin use

1.325

0.284

21.838

1

< 0.001

3.763

2.158

6.559

Application of vasopressor agents

1.270

0.197

41.592

1

< 0.001

3.561

2.421

5.239

Steroid use

1.045

0.273

14.620

1

< 0.001

2.845

1.665

4.861

Need for MV in the first 24 h

1.232

0.200

38.106

1

< 0.001

3.427

2.318

5.068

Hospital Length of Stay

SOFA score

0.173

0.030

32.926

1

< 0.001

1.188

1.120

1.261

APACHE II score

0.073

0.015

24.687

1

< 0.001

1.076

1.045

1.108

GCS score

− 0.095

0.030

10.139

1

0.001

0.909

0.858

0.964

Body temperature (°C )

− 0.240

0.067

12.651

1

< 0.001

0.787

0.689

0.898

MAP (mmHg)

− 0.020

0.005

20.239

1

< 0.001

0.980

0.971

0.988

HCT (%)

− 0.043

0.014

9.482

1

0.002

0.958

0.933

0.985

Creatinine (mg/dl)

0.143

0.057

6.228

1

0.013

1.154

1.031

1.291

pH

− 2.241

0.803

7.793

1

0.005

0.106

0.022

0.513

C-reactive protein (mg/dl)

0.029

0.008

13.132

1

< 0.001

1.030

1.014

1.046

Albumin use

1.232

0.276

19.961

1

< 0.001

3.429

1.997

5.887

Application of vasopressor agents

1.496

0.200

55.713

1

< 0.001

4.466

3.015

6.615

Steroid use

1.034

0.271

14.613

1

< 0.001

2.813

1.655

4.780

Need for MV in the first 24 hours

1.600

0.206

60.397

1

< 0.001

4.955

3.309

7.418