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Table 3 Cox regression results for Death

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

1.058

1.042

1.075

< 0.001

1.057

1.039

1.073

< 0.001

Sex (ref = female)

1.184

0.862

1.627

0.300

–

–

–

–

SEP group

   

< 0.001

   

0.006

 1 vs. 6 (ref)

4.289

2.132

8.621

< 0.001

3.336

1.649

6.749

0.001

 2 vs. 6 (ref)

3.789

1.728

8.302

0.001

3.672

1.666

8.094

0.001

 3 vs. 6 (ref)

1.956

1.052

3.637

0.034

2.192

1.174

4.091

0.014

 4 vs. 6 (ref)

1.660

0.876

3.145

0.120

1.983

1.043

3.772

0.037

 5 vs. 6 (ref)

2.425

1.239

4.575

0.006

2.251

1.182

4.283

0.013

Hypertension (ref = 0)

2.403

1.334

4.329

0.004

0.924

0.492

1.737

0.807

Stroke (ref = 0)

2.079

1.516

2.850

< 0.001

1.234

0.882

1.725

0.219

Cardiovascular disease (ref = 0)

2.147

1.532

3.008

< 0.001

1.275

0.879

1.849

0.199

Diabetic ophthalmopathy (ref = 0)

2.370

1.712

3.281

< 0.001

1.768

1.237

2.526

0.002

Diabetic nephropathy (ref = 0)

1.767

1.284

2.433

< 0.001

1.174

0.822

1.676

0.375

Diabetic neuropathy (ref = 0)

1.778

1.290

2.449

< 0.001

1.033

0.727

1.470

0.852

Diabetic vasculopathy (ref = 0)

2.523

1.777

3.582

< 0.001

1.668

1.129

2.463

0.010

Type of institution

   

0.005

   

0.008

 Secondary vs. Primary (ref)

1.789

1.255

2.549

0.001

1.776

1.237

2.550

0.002

 Tertiary vs. Primary (ref)

1.482

0.936

2.345

0.093

1.415

0.885

2.260

0.147

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