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Table 2 Independent risk factors for major amputation identified through quasipoisson regression

From: Major amputation rates and outcomes for Aboriginal and Torres Strait Islander and non-Indigenous people in North Queensland Australia between 2000 and 2015

Characteristic

IRR (95 % CI)

P-value

Aboriginal and Torres Strait Islander people

2.75 (1.92–3.84)

< 0.001

Diabetes

12.77 (9.28–16.81)

< 0.001

Male sex

2.00 (1.54–2.61)

< 0.001

Age 0–34 years

Reference

 

Age 35–44 years

3.51 (1.84–6.79)

< 0.001

Age 45–54 years

5.35 (3.02–9.87)

< 0.001

Age > 55 years

11.57 (7.02–20.29)

< 0.001

  1. For binary variables, patients that did not have the risk factor were used as the reference group
  2. CI confidence interval, IRR incidence rate ratio