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Table 2 Cox regression results for Amputation

From: Association between socioeconomic position and diabetic foot ulcer outcomes: a population-based cohort study in South Korea

Variable

Univariable analysis

Multivariable analysis

HR

95% CI

p

HR

95% CI

p

 

Lower

Upper

  

Lower

Upper

 

Age

0.998

0.977

1.019

0.840

–

–

–

–

Sex (ref = female)

1.184

0.862

1.627

0.005

2.412

1.355

4.292

0.003

SEP group

   

0.059

   

0.047

 1 vs. 6 (ref)

6.000

1.551

23.208

0.009

5.140

1.319

20.002

0.018

 2 vs. 6 (ref)

6.303

1.506

26.394

0.012

5.555

1.322

23.347

0.019

 3 vs. 6 (ref)

3.484

1.026

11.829

0.045

3.252

0.955

11.071

0.059

 4 vs. 6 (ref)

3.053

0.884

10.545

0.078

2.876

0.831

9.953

0.095

 5 vs. 6 (ref)

3.566

1.016

12.515

0.047

3.260

0.926

11.482

0.066

Hypertension (ref = 0)

1.522

0.692

3.345

0.300

–

–

–

–

Stroke (ref = 0)

1.499

0.907

2.476

0.110

–

–

–

–

Cardiovascular disease (ref = 0)

1.531

0.912

2.569

0.110

–

–

–

–

Diabetic ophthalmopathy (ref = 0)

2.597

1.553

4.341

0.001

1.893

1.072

3.343

0.028

Diabetic nephropathy (ref = 0)

1.685

1.008

2.816

0.047

1.063

0.604

1.871

0.833

Diabetic neuropathy (ref = 0)

1.783

1.062

2.992

0.029

1.092

0.618

1.928

0.762

Diabetic vasculopathy (ref = 0)

2.788

1.557

4.993

< 0.001

2.141

1.127

4.066

0.020

Type of institution

   

0.048

   

0.068

 Secondary vs. Primary (ref)

2.202

1.154

3.528

0.014

1.780

1.014

3.123

0.044

 Tertiary vs. Primary (ref)

1.589

0.758

3.328

0.220

1.322

0.625

2.797

0.466

  1. SEP Socioeconomic position; ref. Reference; HR Hazard ratio; CI Confidence interval