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Table 3 Univariate and multivariate ordinal logistic regression analysis of the factors associated with the severity of the diabetic foot ulcer

From: Factors influencing the severity of diabetic foot ulcers: a cross-sectional study

Variable

Category

Univariate analysis

Multivariate analysis

cOR

95% CI

p-value

aOR

95% CI

p-value

Age (years)

> 60

1.97

1.16–3.38

0.013

1.83

1.05–3.23

0.035

 

18–60

Ref

     

Marital status

Union

1.92

1.02–3.62

0.043

1.90

0.98–3.71

0.059

 

No-union

Ref

     

Education

No formal

2.99

0.94–9.93

0.065

1.40

0.41–4.93

0.592

 

Primary

1.92

1.00–3.71

0.050

0.95

0.43–2.10

0.893

 

Secondary

1.78

0.84–3.81

0.134

1.09

0.46–2.56

0.846

 

University

Ref

     

Medical insurance

Yes

0.52

0.30–0.89

0.018

0.51

0.27–0.96

0.036

 

No

Ref

     

Cigarette smoking

Past smoker

1.53

0.86–2.75

0.149

1.39

0.76–2.56

0.294

 

Never smoked

Ref

     

Duration since diagnosis of DM (years)

< 5

0.92

0.50–1.71

0.802

1.09

0.57–2.10

1.791

 

5–10

0.49

0.25–0.97

0.042

0.60

0.30–1.21

0.152

 

> 10

Ref

     

Treatment adherence

Irregularly

2.59

1.43–4.73

0.002

2.62

1.36–5.09

0.004

 

Regularly

Ref

     

HbA1c (%)

≥ 6.5

2.68

1.07–6.74

0.035

2.21

0.87–5.67

0.095

 

< 6.5

Ref

     
  1. Key: cOR: crude Odds Ratio, aOR: adjusted Odds Ratio, Ref: Reference group, CI: Confidence Interval