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Table 4 Multivariate analysis of the factors associated with incidence and mortality due to abdominal aortic aneurysm among patients with and without type 2 diabetes in Spain, 2003-2012

From: National trends in incidence and outcomes of abdominal aortic aneurysm among elderly type 2 diabetic and non-diabetic patients in Spain (2003–2012)

   Incidence (IRR)* In-hospital mortality (OR)‡
   Diabetes No Diabetes Total Diabetes No Diabetes Total
Sex Men 1 1 1 1 1 1
Female 0.08 (0.07-0.09) 0.09 (0.08-0.010) 0.09 (0.08-0.010) 1.38 (1.17-1.65) 1.16 (1.08-1.24) 1.19 (1.12-1.27)
Age groups (years) 50-59 1 1 1 1 1 1
60-69 4.07 (3.78-4.38) 3.69 (3.58-3.80) 3.74 (3.64-3.85) 1.13 (0.83-1.54) 1.09 (0.97-1.23) 1.09 (0.98-1.22)
70-79 9.10 (8.50-9.74) 7.56 (7.35-7.78) 7.79 (7.58-7.99) 1.55 (1.16-2.07) 1.59 (1.42-1.77) 1.58 (1.43-1.75)
≥80 5.93 (5.54-6.37) 5.79 (5.62-5.96) 5.80 (5.65-5.96) 2.71 (2.02-3.64) 2.83 (2.53-3.16) 2.81 (2.53-3.12)
Charlson index 0-1 1 1 1 1 1 1
2 1.29 (1.24-1.34) 1.03 (1.01-1.05) 1.07 (1.05-1.08) 1.36 (1.18-1.56) 1.03 (0.98-1.09) 1.07 (1.02-1.13)
≥3 1.30 (1.26-1.36) 0.91 (0.89-0.93) 0.96 (0.95-0.98) 2.12 (1.93-2.53) 1.68 (1.59-1.77) 1.74 (1.65-1.82)
Smoking No 1 1 1 1 1 1
Yes 0.53 (0.51-0.55) 0.52 (0.51-0.53) 0.53 (0.52-0.54) 0.65 (0.57-0.73) 0.60 (0.57-0.62) 0.60 (0.58-0.63)
Open abdominal aortic aneurysm repair No 1 1 1 1 1 1
Yes 0.13 (0.12-0.14) 0.17 (0.16-0.17) 0.16 (0.15-0.18) 2.52 (2.16-2.93) 2.55 (2.41-2.69) 2.55 (2.42-2.68)
Endovascular aortic aneurysm repair No 1 1 1 1 1 1
Yes 0.10 (0.9-0.101 0.10 (0.9-0.11) 0.10 (0.9-0.12) 0.82 (0.65-1.02) 0.71 (0.65-0.77) 0.72 (0.67-0.78)
Diabetes No NA NA 1 NA NA 1
Yes NA NA 0.20 (0.19-0.21) NA NA 0.81 (0.76-0.85)
Year   1.09 (1.08-1.09) 1.03 (1.02-1.04) 1.04 (1.03-1.05) 0.98 (0.96-0.99) 0.98 (0.97-0.99) 0.98 (0.97-0.99)
  1. *Calculated using multivariate Poisson regression: Incidence Rate Ratios (IRR). ‡ Calculated using logistic regression models: Odds Ratio (OR). The logistic regression multivariate model and Poisson regression model were built using as dependent variables “death (yes/no)” and “incidence” respectively, and as independent variables year, sex, Charlson comorbidity index, and age.