Table 3: Multivariable analysis for the association of post-discharge VTE.

Variables

OR**

95% CI

P-value

Age*

 

 

 

18 - 75

Ref.

 

 

75

1.249

1.052-1.483

0.011

Gender*

 

 

 

Male

Ref.

 

 

Female

1.041

0.882-1.227

0.838

Body mass index*

 

 

 

< 18.5

0.761

0.554-1.046

0.093

18.5-24.9

Ref.

 

 

25-29.9

1.299

1.081-1.562

0.005

≥ 30

1.491

1.211-1.835

< 0.001

Functional status*

 

 

 

Independent

Ref.

 

 

Totally or Partially Dependent

0.903

0.714-1.144

0.398

5i-mFI*

 

 

 

< 0.6

Ref.

 

 

≥ 0.6

1.38

1.039-1.831

0.026

Diabetes Mellitus

0.845

0.649-1.1

0.211

Smoker

0.867

0.68-1.106

0.167

Congestive heart failure

0.723

0.436-1.2

0.209

Hypertension

0.968

0.731-1.283

0.823

History of severe COPD

1.379

1.058-1.798

0.018

Dyspnea on exertion

1.342

1.036-1.739

0.026

Anemia*

0.841

0.714-0.991

0.038

Bleeding disorders

0.908

0.731-1.127

0.38

Preoperative dialysis

0.457

0.216-0.967

0.04

Disseminated cancer

2.573

1.935-3.422

< 0.001

Chronic Steroid Use

1.447

1.099-1.904

0.008

Diagnosis*

 

 

 

Femur head or neck fracture

Ref.

 

 

Pertrochanteric fracture

1.1249

0.953-1.385

0.145

ASA Classification*

 

 

 

Class I and II

Ref.

 

 

Class III

1.032

0.838-1.27

1.032

Class IV and V

0.888

0.672-1.127

0.888

Procedure Type

 

 

 

Hemiarthroplasty

1.152

0.865-1.533

0.334

DHS

Ref.

 

 

IMN

1.344

1.022-1.766

0.034

Days from admission to operation*

0.972

0.909-1.04

0.406

Elective Surgery*

0.775

0.55-1.091

0.144

Duration of procedure*

 

 

 

< 60 minutes

Ref.

 

 

+ 60 minutes

1.086

0.931-1.266

0.294

Surgical Complications

 

 

 

Stroke

8.62

4.739-15.625

< 0.001

Myocardial infarction

10.638

7.3-15.625

< 0.001

Readmission

16.393

13.333-20

< 0.001

Mortality

1.748

1.28-2.387

< 0.001

Extended DVT prophylaxis*

1.247

0.978-1.587

0.074

Medical co-management*

1.613

1.029-2.528

0.037

Hip fracture care program*

0.77

0.614-0.965

0.024

Pathologic fracture*

1.54

0.754-1.323

0.043

*Indicates certain cases had missing information for the study variable. List-wise deletion was performed as necessary.

**Adjusted for age, gender, smoking status, BMI, 5m-FI, functional status, and history of bleeding disorder.

For all the dichotomous values, cases without event are considered as the reference group.