Table 4 Logistic regression analysis for the most important predictor factors of weaning-induced pulmonary edema

BMI categories

(reference group; < 30)

  ≥ 30

 − 4.417-

2.018

4.793

1

0.029*

0.012

0.0001

0.630

COPD

(reference group; normal)

COPD

 − 2.580-

1.808

2.036

1

0.154

0.076

0.002

2.622

  Duration of ventilation

0.427

0.291

2.160

1

0.142

1.533

0.867

2.710

  Fluid balance

(reference group; normal)

41.73

0.001

2

1.000

  1 fluid overload

1.071

8

0.001

1

0.980

2.917

0.0001

  2 dehydrated

 − 18.414-

1.350

0.000

1

0.999

0.0001

0.0001

9.821

Delta B lines

0.925

0.432

4.579

1

0.032*

2.521

1.081

5.882

Constant

 − 3.712-

2.811

1.744

1

0.187

0.024