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Table 2 Univariate analysis of the predictors of diabetic foot ulcer outcome among a Saudi population

From: Factors associated with amputation among patients with diabetic foot ulcers in a Saudi population

Variable

OR

CI

P value

Gender (number of patients)

 Male

0.3

0.1–1.1

0.076

 Female

   

Age, mean (SD) (years)

1.1

1–1.1

0.012

Duration of diabetes, mean (SD) (years)

0.7

0.3–1.7

0.402

Haemoglobin A1c, mean (SD)

0.6

0.2–1.8

0.318

Triglycerides, mean (SD)

1.3

0.1–24.7

0.859

Cholesterol, mean (SD)

1.3

0.7–2.6

0.388

Haemoglobin, mean (SD)

0.004

0.0–1.9

0.076

Total white blood cell count, mean (SD) (cells/cm2) × 103

383

7.9–18,665

0.003

Type of ulcer (number of patients)

 Ischaemic

   

 Neuropathic

0.5

0.3–0.9

0.036

 Mixed

   

Other comorbidities

0.3

0.1–0.9

0.026

History of hypertension

0.5

0.1–1.7

0.249

History of smoking

1.2

0.2–6.2

0.833

Wagner’s grade

 Grade 1

   

 Grade 2

   

 Grade 3

14.5

4.3–49.4

< 0.001

 Grade 4

   

 Grade 5