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Table 3 Predicting LTMV based on the demographic and clinical variables by logistic regression

From: Factors associated with long-term mechanical ventilation in patients undergoing cardiovascular surgery

Variables

B

P-value

OR

CI

Age

0.010

0.381

1.01

0.988-1.03

Smoking history

No

Yes

-

0.239

-

0.265

-

-1.3

-

0.834-1.9

Usage history

Narcotics

No

Yes

-

0.190

-

0.439

-

1.2

-

0.743-1.9

History of baking bread

No

Yes

-

1.005

-

*0.004

-

2.7

-

1.4-5.4

History of heart disease

No

Yes

-

-0.056

-

0.779

-

0.945

-

0.637-1.4

History of pulmonary disease

No

Yes

-

0.232

-

0.468

-

1.3

-

0.674-2.3

History of COPD

No

Yes

-

1.8

-

*0.025

-

6.2

-

1.2-31.06

History of kidney disease

No

Yes

-

0.763

-

*0.036

-

2.1

-

1.04-4.3

History of diabetes

No

Yes

-

0.003

-

989.0

-

003.1

-

0.683-1.4

Anesthesia method in the operating room

Benzodiazepine Narcotics

Etomidate

-

0.113

-

0.989

-

1.003

-

0.683-1.4

Use of intra-aortic balloon pump

No

Yes

-

1.08

-

*0.030

-

3

-

1.1 -7.8

Using a cardiopulmonary pump

No

Yes

-

0.619

-

0.146

-

1.8

-

0.806-4.2

Valve surgery

No

Yes

-

0.634

-

0.244

-

1.9

-

0.649 – 5.4

Respiratory rate 24 h after surgery

-0.921

*0.001

0.398

0.341 -0.465

Systolic blood pressure 24 h after surgery

-0.079

*0.001

0.924

0.885 -0.965

Diastolic blood pressure 24 h after surgery

-0.051

0.084

0.950

0.896 -1.007

Heart rate before surgery

0.018

0.074

1.01

0.998 -1.04

Heart rate 24 h after surgery

0.009

0.337

1.01

0.990 -1.02

Creatinine level before surgery

-1.5

*0.039

0.221

0.053-0.929

Creatinine levels 24 h after surgery

1.8

*0.004

6.4

1.8-22.8

Chest secretions in the first 12 h after surgery

0.001

*0.001

1.001

1-1.001

Chest secretions 12 h after surgery

0.001

*0.001

1.001

1-1.001

Central venous pressure 24 h after surgery

-0.271

*0.006

0.762

0.629 -0.924

Ejection Fraction rate before surgery

-0.035

*0.002

0.965

0.944-0.987

Cardiac enzymes (MB-CK) before surgery

0.124

*0.001

1.1

1.07 -1.2