Table 1 Odd ratios estimates of the logistic regression model

Gender

Female vs Male

Age class

>80 years vs <65 years

65–70 vs <65 years

>70–75 vs <65 years

>75–80 vs <65 years

Bleeding

Yes vs No

Number of procedures

>12 procedures vs <6 procedures

6–12 vs <6 procedures

Number of secondary diagnoses (DAS)

>6 DAS vs <3 DAS

3–6 DAS vs <3 DAS